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2212201220210 = 25221220122021
BaseRepresentation
bin100000001100010001011…
…101111100100001110010
321211111002002212202001022
4200030101131330201302
5242221042003021320
64412134325335442
7315553260054452
oct40142135744162
97744062782038
102212201220210
11783209a0a353
122b88a5867582
131307c060b877
14790dd1abd62
153c8276bd325
hex2031177c872

2212201220210 has 8 divisors (see below), whose sum is σ = 3981962196396. Its totient is φ = 884880488080.

The previous prime is 2212201220171. The next prime is 2212201220219. The reversal of 2212201220210 is 120221022122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2212201098409 + 121801 = 1487347^2 + 349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22122012202102 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212201220219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110610061001 + ... + 110610061020.

Almost surely, 22212201220210 is an apocalyptic number.

2212201220210 is a deficient number, since it is larger than the sum of its proper divisors (1769760976186).

2212201220210 is a wasteful number, since it uses less digits than its factorization.

2212201220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221220122028.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2212201220210 its reverse (120221022122), we get a palindrome (2332422242332).

The spelling of 2212201220210 in words is "two trillion, two hundred twelve billion, two hundred one million, two hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 221220122021 442440244042 1106100610105 2212201220210