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1201120102221 = 31330797951339
BaseRepresentation
bin10001011110101000010…
…101100100011101001101
311020211022010101012100220
4101132220111210131031
5124134343221232341
62315441552141553
7152530606262124
oct21365025443515
94224263335326
101201120102221
11423434a91506
121749508378b9
138935a6864a0
14421c51baabb
152139d1e2a66
hex117a856474d

1201120102221 has 8 divisors (see below), whose sum is σ = 1724685275040. Its totient is φ = 739150832112.

The previous prime is 1201120102181. The next prime is 1201120102223. The reversal of 1201120102221 is 1222010211021.

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

It is not a de Polignac number, because 1201120102221 - 237 = 1063681148749 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201120102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201120102223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15398975631 + ... + 15398975708.

It is an arithmetic number, because the mean of its divisors is an integer number (215585659380).

Almost surely, 21201120102221 is an apocalyptic number.

It is an amenable number.

1201120102221 is a deficient number, since it is larger than the sum of its proper divisors (523565172819).

1201120102221 is a wasteful number, since it uses less digits than its factorization.

1201120102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30797951355.

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

Adding to 1201120102221 its reverse (1222010211021), we get a palindrome (2423130313242).

The spelling of 1201120102221 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 3 13 39 30797951339 92393854017 400373367407 1201120102221