10111101002121 has 16 divisors (see below), whose sum is σ = 15407511091200. Its totient is φ = 5777727343248.

The previous prime is 10111101002063. The next prime is 10111101002131. The reversal of 10111101002121 is 12120010111101.

It is not a de Polignac number, because 10111101002121 - 2²³ = 10111092613513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10111101002097 and 10111101002106.

It is not an unprimeable number, because it can be changed into a prime (10111101002131) 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, 1024960 + ... + 4612238.

It is an arithmetic number, because the mean of its divisors is an integer number (962969443200).

Almost surely, 2^{10111101002121} is an apocalyptic number.

It is an amenable number.

10111101002121 is a deficient number, since it is larger than the sum of its proper divisors (5296410089079).

10111101002121 is a wasteful number, since it uses less digits than its factorization.

10111101002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721508.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10111101002121 its reverse (12120010111101), we get a palindrome (22231111113222).

The spelling of 10111101002121 in words is "ten trillion, one hundred eleven billion, one hundred one million, two thousand, one hundred twenty-one".