2120010101121 has 32 divisors (see below), whose sum is σ = 3116705844096. Its totient is φ = 1271102400000.

The previous prime is 2120010101117. The next prime is 2120010101141. The reversal of 2120010101121 is 1211010100212.

It is not a de Polignac number, because 2120010101121 - 2² = 2120010101117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120010101097 and 2120010101106.

It is not an unprimeable number, because it can be changed into a prime (2120010101101) 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, 3865821 + ... + 4380021.

It is an arithmetic number, because the mean of its divisors is an integer number (97397057628).

Almost surely, 2^{2120010101121} is an apocalyptic number.

It is an amenable number.

2120010101121 is a deficient number, since it is larger than the sum of its proper divisors (996695742975).

2120010101121 is a wasteful number, since it uses less digits than its factorization.

2120010101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515553.

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

Adding to 2120010101121 its reverse (1211010100212), we get a palindrome (3331020201333).

Subtracting from 2120010101121 its reverse (1211010100212), we obtain a palindrome (909000000909).

The spelling of 2120010101121 in words is "two trillion, one hundred twenty billion, ten million, one hundred one thousand, one hundred twenty-one".