1021000202022 has 64 divisors (see below), whose sum is σ = 2228732352000. Its totient is φ = 310583766528.

The previous prime is 1021000202017. The next prime is 1021000202077. The reversal of 1021000202022 is 2202020001201.

It is a junction number, because it is equal to n+sod(n) for n = 1021000201989 and 1021000202007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1074879 + ... + 1788117.

It is an arithmetic number, because the mean of its divisors is an integer number (34823943000).

Almost surely, 2^{1021000202022} is an apocalyptic number.

1021000202022 is an abundant number, since it is smaller than the sum of its proper divisors (1207732149978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021000202022 is a wasteful number, since it uses less digits than its factorization.

1021000202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713725.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1021000202022 its reverse (2202020001201), we get a palindrome (3223020203223).

The spelling of 1021000202022 in words is "one trillion, twenty-one billion, two hundred two thousand, twenty-two".