1022002021100 has 18 divisors (see below), whose sum is σ = 2217744386004. Its totient is φ = 408800808400.

The previous prime is 1022002021081. The next prime is 1022002021127. The reversal of 1022002021100 is 11202002201.

It is a happy number.

1022002021100 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 2×1022002021100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5110010006 + ... + 5110010205.

Almost surely, 2^{1022002021100} is an apocalyptic number.

1022002021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022002021100 is an abundant number, since it is smaller than the sum of its proper divisors (1195742364904).

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

1022002021100 is a wasteful number, since it uses less digits than its factorization.

1022002021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220020225 (or 10220020218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1022002021100 its reverse (11202002201), we get a palindrome (1033204023301).

The spelling of 1022002021100 in words is "one trillion, twenty-two billion, two million, twenty-one thousand, one hundred".