1021210202022 has 64 divisors (see below), whose sum is σ = 2098532136960. Its totient is φ = 331182633600.

The previous prime is 1021210202009. The next prime is 1021210202027. The reversal of 1021210202022 is 2202020121201.

It is a junction number, because it is equal to n+sod(n) for n = 1021210201992 and 1021210202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021210202027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72046128 + ... + 72060300.

It is an arithmetic number, because the mean of its divisors is an integer number (32789564640).

Almost surely, 2^{1021210202022} is an apocalyptic number.

1021210202022 is an abundant number, since it is smaller than the sum of its proper divisors (1077321934938).

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

1021210202022 is a wasteful number, since it uses less digits than its factorization.

1021210202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16469.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021210202022 its reverse (2202020121201), we get a palindrome (3223230323223).

The spelling of 1021210202022 in words is "one trillion, twenty-one billion, two hundred ten million, two hundred two thousand, twenty-two".