202111010122120 has 128 divisors (see below), whose sum is σ = 530473184265600. Its totient is φ = 68486814208000.

The previous prime is 202111010122097. The next prime is 202111010122121. The reversal of 202111010122120 is 21221010111202.

It is a junction number, because it is equal to n+sod(n) for n = 202111010122094 and 202111010122103.

It is not an unprimeable number, because it can be changed into a prime (202111010122121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133007830 + ... + 134518789.

It is an arithmetic number, because the mean of its divisors is an integer number (4144321752075).

Almost surely, 2^{202111010122120} is an apocalyptic number.

202111010122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202111010122120 is an abundant number, since it is smaller than the sum of its proper divisors (328362174143480).

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

202111010122120 is a wasteful number, since it uses less digits than its factorization.

202111010122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267526759 (or 267526755 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202111010122120 its reverse (21221010111202), we get a palindrome (223332020233322).

The spelling of 202111010122120 in words is "two hundred two trillion, one hundred eleven billion, ten million, one hundred twenty-two thousand, one hundred twenty".