2102021022101 has 16 divisors (see below), whose sum is σ = 2822293961088. Its totient is φ = 1511943192000.

The previous prime is 2102021022041. The next prime is 2102021022107. The reversal of 2102021022101 is 1012201202012.

It is a cyclic number.

It is not a de Polignac number, because 2102021022101 - 2¹⁴ = 2102021005717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102021022107) 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, 1049959550 + ... + 1049961551.

It is an arithmetic number, because the mean of its divisors is an integer number (176393372568).

Almost surely, 2^{2102021022101} is an apocalyptic number.

It is an amenable number.

2102021022101 is a deficient number, since it is larger than the sum of its proper divisors (720272938987).

2102021022101 is a wasteful number, since it uses less digits than its factorization.

2102021022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099921132.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102021022101 its reverse (1012201202012), we get a palindrome (3114222224113).

The spelling of 2102021022101 in words is "two trillion, one hundred two billion, twenty-one million, twenty-two thousand, one hundred one".