10112002121121 has 16 divisors (see below), whose sum is σ = 13504307417664. Its totient is φ = 6730516828224.

The previous prime is 10112002121101. The next prime is 10112002121153. The reversal of 10112002121121 is 12112120021101.

It is a happy number.

It is not a de Polignac number, because 10112002121121 - 2¹³ = 10112002112929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10112002121121.

It is not an unprimeable number, because it can be changed into a prime (10112002121101) 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, 42390435 + ... + 42628311.

It is an arithmetic number, because the mean of its divisors is an integer number (844019213604).

Almost surely, 2^{10112002121121} is an apocalyptic number.

It is an amenable number.

10112002121121 is a deficient number, since it is larger than the sum of its proper divisors (3392305296543).

10112002121121 is a wasteful number, since it uses less digits than its factorization.

10112002121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260560.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10112002121121 its reverse (12112120021101), we get a palindrome (22224122142222).

The spelling of 10112002121121 in words is "ten trillion, one hundred twelve billion, two million, one hundred twenty-one thousand, one hundred twenty-one".