1021022102101 has 16 divisors (see below), whose sum is σ = 1087701060096. Its totient is φ = 955080112896.

The previous prime is 1021022102053. The next prime is 1021022102117. The reversal of 1021022102101 is 1012012201201.

It is a cyclic number.

It is not a de Polignac number, because 1021022102101 - 2³¹ = 1018874618453 is a prime.

It is a super-2 number, since 2×1021022102101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021022102131) 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, 26318020 + ... + 26356786.

It is an arithmetic number, because the mean of its divisors is an integer number (67981316256).

Almost surely, 2^{1021022102101} is an apocalyptic number.

It is an amenable number.

1021022102101 is a deficient number, since it is larger than the sum of its proper divisors (66678957995).

1021022102101 is a wasteful number, since it uses less digits than its factorization.

1021022102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48228.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021022102101 its reverse (1012012201201), we get a palindrome (2033034303302).

The spelling of 1021022102101 in words is "one trillion, twenty-one billion, twenty-two million, one hundred two thousand, one hundred one".