10200112120121 has 16 divisors (see below), whose sum is σ = 12769790656128. Its totient is φ = 7915159468800.

The previous prime is 10200112120109. The next prime is 10200112120181. The reversal of 10200112120121 is 12102121100201.

It is a cyclic number.

It is not a de Polignac number, because 10200112120121 - 2⁶ = 10200112120057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10200112120096 and 10200112120105.

It is not an unprimeable number, because it can be changed into a prime (10200112120181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274813370 + ... + 274850483.

It is an arithmetic number, because the mean of its divisors is an integer number (798111916008).

Almost surely, 2^{10200112120121} is an apocalyptic number.

10200112120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10200112120121 is a deficient number, since it is larger than the sum of its proper divisors (2569678536007).

10200112120121 is a wasteful number, since it uses less digits than its factorization.

10200112120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549664112.

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

Adding to 10200112120121 its reverse (12102121100201), we get a palindrome (22302233220322).

The spelling of 10200112120121 in words is "ten trillion, two hundred billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty-one".