10000000112121 has 64 divisors (see below), whose sum is σ = 15728413962240. Its totient is φ = 6257676902400.

The previous prime is 10000000112093. The next prime is 10000000112153. The reversal of 10000000112121 is 12121100000001.

It is a happy number.

10000000112121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10000000112121 - 2⁷ = 10000000111993 is a prime.

It is a super-2 number, since 2×10000000112121² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10000000112191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263478696 + ... + 263516646.

It is an arithmetic number, because the mean of its divisors is an integer number (245756468160).

Almost surely, 2^{10000000112121} is an apocalyptic number.

It is an amenable number.

10000000112121 is a deficient number, since it is larger than the sum of its proper divisors (5728413850119).

10000000112121 is a wasteful number, since it uses less digits than its factorization.

10000000112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39503 (or 39497 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10000000112121 its reverse (12121100000001), we get a palindrome (22121100112122).

It can be divided in two parts, 100000001 and 12121, that multiplied together give a palindrome (1212100012121).

The spelling of 10000000112121 in words is "ten trillion, one hundred twelve thousand, one hundred twenty-one".