1021200202022 has 64 divisors (see below), whose sum is σ = 2056865094144. Its totient is φ = 367232279040.

The previous prime is 1021200202021. The next prime is 1021200202129. The reversal of 1021200202022 is 2202020021201.

1021200202022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1021200202022² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1021200201988 and 1021200202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021200202021) 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, 44278718 + ... + 44301774.

It is an arithmetic number, because the mean of its divisors is an integer number (32138517096).

Almost surely, 2^{1021200202022} is an apocalyptic number.

1021200202022 is an abundant number, since it is smaller than the sum of its proper divisors (1035664892122).

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

1021200202022 is a wasteful number, since it uses less digits than its factorization.

1021200202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45213.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1021200202022 its reverse (2202020021201), we get a palindrome (3223220223223).

The spelling of 1021200202022 in words is "one trillion, twenty-one billion, two hundred million, two hundred two thousand, twenty-two".