10122200121 has 32 divisors (see below), whose sum is σ = 14846832000. Its totient is φ = 6083297280.

The previous prime is 10122200119. The next prime is 10122200173. The reversal of 10122200121 is 12100222101.

It is not a de Polignac number, because 10122200121 - 2¹ = 10122200119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10122200097 and 10122200106.

It is not an unprimeable number, because it can be changed into a prime (10122200021) 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, 3779835 + ... + 3782511.

It is an arithmetic number, because the mean of its divisors is an integer number (463963500).

Almost surely, 2^10122200121 is an apocalyptic number.

10122200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10122200121 is a deficient number, since it is larger than the sum of its proper divisors (4724631879).

10122200121 is a wasteful number, since it uses less digits than its factorization.

10122200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10122200121 its reverse (12100222101), we get a palindrome (22222422222).

It can be divided in two parts, 101 and 22200121, that added together give a palindrome (22200222).

The spelling of 10122200121 in words is "ten billion, one hundred twenty-two million, two hundred thousand, one hundred twenty-one".