1210022000100 has 243 divisors, whose sum is σ = 3901961248731. Its totient is φ = 313634851200.

The previous prime is 1210022000041. The next prime is 1210022000119. The reversal of 1210022000100 is 10002200121.

The square root of 1210022000100 is 1100010.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 114868122084 + 1095153878016 = 338922^2 + 1046496^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1221010605 + ... + 1221011595.

Almost surely, 2^{1210022000100} is an apocalyptic number.

1210022000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210022000100 is the 1100010-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210022000100

1210022000100 is an abundant number, since it is smaller than the sum of its proper divisors (2691939248631).

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

1210022000100 is an equidigital number, since it uses as much as digits as its factorization.

1210022000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1210022000100 its reverse (10002200121), we get a palindrome (1220024200221).

The spelling of 1210022000100 in words is "one trillion, two hundred ten billion, twenty-two million, one hundred", and thus it is an aban number.