201000011222120 has 64 divisors (see below), whose sum is σ = 493419540695040. Its totient is φ = 73082635129600.

The previous prime is 201000011222081. The next prime is 201000011222137. The reversal of 201000011222120 is 21222110000102.

It is a super-2 number, since 2×201000011222120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201000011222095 and 201000011222104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21978827 + ... + 29750106.

It is an arithmetic number, because the mean of its divisors is an integer number (7709680323360).

Almost surely, 2^{201000011222120} is an apocalyptic number.

201000011222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000011222120 is an abundant number, since it is smaller than the sum of its proper divisors (292419529472920).

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

201000011222120 is a wasteful number, since it uses less digits than its factorization.

201000011222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51737786 (or 51737782 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201000011222120 its reverse (21222110000102), we get a palindrome (222222121222222).

The spelling of 201000011222120 in words is "two hundred one trillion, eleven million, two hundred twenty-two thousand, one hundred twenty".