1210002110100 has 108 divisors (see below), whose sum is σ = 4334496470304. Its totient is φ = 276571909440.

The previous prime is 1210002109997. The next prime is 1210002110117. The reversal of 1210002110100 is 10112000121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 96025614 + ... + 96038213.

Almost surely, 2^{1210002110100} is an apocalyptic number.

1210002110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210002110100 is an abundant number, since it is smaller than the sum of its proper divisors (3124494360204).

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

1210002110100 is a wasteful number, since it uses less digits than its factorization.

1210002110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192063854 (or 192063844 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1210002110100 its reverse (10112000121), we get a palindrome (1220114110221).

The spelling of 1210002110100 in words is "one trillion, two hundred ten billion, two million, one hundred ten thousand, one hundred".