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2212021112202 = 2321182619135221
BaseRepresentation
bin100000001100000110101…
…110111000110110001010
321211110121112222022022100
4200030012232320312022
5242220204401042302
64412104413134230
7315545642136306
oct40140656706612
97743545868270
102212021112202
11783127283560
122b885548a376
131307921ca795
14790c32c6d06
153c816992d1c
hex20306bb8d8a

2212021112202 has 48 divisors (see below), whose sum is σ = 5228515487520. Its totient is φ = 670296357600.

The previous prime is 2212021112141. The next prime is 2212021112209. The reversal of 2212021112202 is 2022111202122.

It is a happy number.

2212021112202 is a `hidden beast` number, since 221 + 20 + 211 + 12 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2212021112209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16290952 + ... + 16426172.

It is an arithmetic number, because the mean of its divisors is an integer number (108927405990).

Almost surely, 22212021112202 is an apocalyptic number.

2212021112202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212021112202 is an abundant number, since it is smaller than the sum of its proper divisors (3016494375318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212021112202 is a wasteful number, since it uses less digits than its factorization.

2212021112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217859 (or 217856 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212021112202 its reverse (2022111202122), we get a palindrome (4234132314324).

The spelling of 2212021112202 in words is "two trillion, two hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 82619 135221 165238 247857 270442 405663 495714 743571 811326 908809 1216989 1487142 1487431 1817618 2433978 2726427 2974862 4462293 5452854 8179281 8924586 13386879 16358562 26773758 11171823799 22343647598 33515471397 67030942794 100546414191 122890061789 201092828382 245780123578 368670185367 737340370734 1106010556101 2212021112202