2111020010121 has 16 divisors (see below), whose sum is σ = 3070602083520. Its totient is φ = 1279394598720.

The previous prime is 2111020010117. The next prime is 2111020010131. The reversal of 2111020010121 is 1210100201112.

It is not a de Polignac number, because 2111020010121 - 2² = 2111020010117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111020010097 and 2111020010106.

It is not an unprimeable number, because it can be changed into a prime (2111020010131) 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, 4795015 + ... + 5216723.

It is an arithmetic number, because the mean of its divisors is an integer number (191912630220).

Almost surely, 2^{2111020010121} is an apocalyptic number.

It is an amenable number.

2111020010121 is a deficient number, since it is larger than the sum of its proper divisors (959582073399).

2111020010121 is a wasteful number, since it uses less digits than its factorization.

2111020010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573416.

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

Adding to 2111020010121 its reverse (1210100201112), we get a palindrome (3321120211233).

The spelling of 2111020010121 in words is "two trillion, one hundred eleven billion, twenty million, ten thousand, one hundred twenty-one".