2102011010121 has 16 divisors (see below), whose sum is σ = 3057562349568. Its totient is φ = 1273907821200.

The previous prime is 2102011010089. The next prime is 2102011010129. The reversal of 2102011010121 is 1210101102012.

It is not a de Polignac number, because 2102011010121 - 2⁵ = 2102011010089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2102011010097 and 2102011010106.

It is not an unprimeable number, because it can be changed into a prime (2102011010129) 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, 179880 + ... + 2058246.

It is an arithmetic number, because the mean of its divisors is an integer number (191097646848).

Almost surely, 2^{2102011010121} is an apocalyptic number.

It is an amenable number.

2102011010121 is a deficient number, since it is larger than the sum of its proper divisors (955551339447).

2102011010121 is a wasteful number, since it uses less digits than its factorization.

2102011010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912292.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2102011010121 its reverse (1210101102012), we get a palindrome (3312112112133).

The spelling of 2102011010121 in words is "two trillion, one hundred two billion, eleven million, ten thousand, one hundred twenty-one".