1021022102021 has 16 divisors (see below), whose sum is σ = 1052059008000. Its totient is φ = 990320240448.

The previous prime is 1021022101997. The next prime is 1021022102027. The reversal of 1021022102021 is 1202012201201.

1021022102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1021022102021 - 2¹⁴ = 1021022085637 is a prime.

It is a super-2 number, since 2×1021022102021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021022101987 and 1021022102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021022102027) 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, 26627555 + ... + 26665871.

It is an arithmetic number, because the mean of its divisors is an integer number (65753688000).

Almost surely, 2^{1021022102021} is an apocalyptic number.

It is an amenable number.

1021022102021 is a deficient number, since it is larger than the sum of its proper divisors (31036905979).

1021022102021 is a wasteful number, since it uses less digits than its factorization.

1021022102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42668.

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

Adding to 1021022102021 its reverse (1202012201201), we get a palindrome (2223034303222).

The spelling of 1021022102021 in words is "one trillion, twenty-one billion, twenty-two million, one hundred two thousand, twenty-one".