1020222120100 has 36 divisors (see below), whose sum is σ = 2217458681200. Its totient is φ = 407429552160.

The previous prime is 1020222120053. The next prime is 1020222120149. The reversal of 1020222120100 is 10212220201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8178990 + ... + 8302789.

Almost surely, 2^{1020222120100} is an apocalyptic number.

1020222120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020222120100 is an abundant number, since it is smaller than the sum of its proper divisors (1197236561100).

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

1020222120100 is a wasteful number, since it uses less digits than its factorization.

1020222120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16482412 (or 16482405 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020222120100 its reverse (10212220201), we get a palindrome (1030434340301).

The spelling of 1020222120100 in words is "one trillion, twenty billion, two hundred twenty-two million, one hundred twenty thousand, one hundred".