1210220102100 has 36 divisors (see below), whose sum is σ = 3501570162944. Its totient is φ = 322725360480.

The previous prime is 1210220101967. The next prime is 1210220102159. The reversal of 1210220102100 is 12010220121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2017033204 + ... + 2017033803.

Almost surely, 2^{1210220102100} is an apocalyptic number.

1210220102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210220102100 is an abundant number, since it is smaller than the sum of its proper divisors (2291350060844).

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

1210220102100 is a wasteful number, since it uses less digits than its factorization.

1210220102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034067024 (or 4034067017 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1210220102100 its reverse (12010220121), we get a palindrome (1222230322221).

The spelling of 1210220102100 in words is "one trillion, two hundred ten billion, two hundred twenty million, one hundred two thousand, one hundred".