201012111020120 has 64 divisors (see below), whose sum is σ = 461908015620480. Its totient is φ = 78692766378496.

The previous prime is 201012111019963. The next prime is 201012111020129. The reversal of 201012111020120 is 21020111210102.

It is a junction number, because it is equal to n+sod(n) for n = 201012111020095 and 201012111020104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012111020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113646362 + ... + 115401558.

It is an arithmetic number, because the mean of its divisors is an integer number (7217312744070).

Almost surely, 2^{201012111020120} is an apocalyptic number.

201012111020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012111020120 is an abundant number, since it is smaller than the sum of its proper divisors (260895904600360).

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

201012111020120 is a wasteful number, since it uses less digits than its factorization.

201012111020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816172 (or 1816168 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201012111020120 its reverse (21020111210102), we get a palindrome (222032222230222).

The spelling of 201012111020120 in words is "two hundred one trillion, twelve billion, one hundred eleven million, twenty thousand, one hundred twenty".