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2212101112020 = 223536868351867
BaseRepresentation
bin100000001100001011100…
…000000100000011010100
321211110211010111201102120
4200030023200010003110
5242220340341041040
64412120351535540
7315550633132032
oct40141340040324
97743733451376
102212101112020
11783168454608
122b887822a5b0
131307a595aa57
14790cdb8d552
153c81d9e67d0
hex2030b8040d4

2212101112020 has 24 divisors (see below), whose sum is σ = 6193883113824. Its totient is φ = 589893629856.

The previous prime is 2212101111989. The next prime is 2212101112031. The reversal of 2212101112020 is 202111012122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18434175874 + ... + 18434175993.

It is an arithmetic number, because the mean of its divisors is an integer number (258078463076).

Almost surely, 22212101112020 is an apocalyptic number.

2212101112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212101112020 is an abundant number, since it is smaller than the sum of its proper divisors (3981782001804).

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

2212101112020 is a wasteful number, since it uses less digits than its factorization.

2212101112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36868351879 (or 36868351877 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2212101112020 its reverse (202111012122), we get a palindrome (2414212124142).

The spelling of 2212101112020 in words is "two trillion, two hundred twelve billion, one hundred one million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 36868351867 73736703734 110605055601 147473407468 184341759335 221210111202 368683518670 442420222404 553025278005 737367037340 1106050556010 2212101112020