1210100220102 has 16 divisors (see below), whose sum is σ = 2421510803712. Its totient is φ = 403148346120.

The previous prime is 1210100219963. The next prime is 1210100220103. The reversal of 1210100220102 is 2010220010121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210100220103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54586474 + ... + 54608637.

It is an arithmetic number, because the mean of its divisors is an integer number (151344425232).

Almost surely, 2^{1210100220102} is an apocalyptic number.

1210100220102 is an abundant number, since it is smaller than the sum of its proper divisors (1211410583610).

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

1210100220102 is a wasteful number, since it uses less digits than its factorization.

1210100220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109196963.

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

Adding to 1210100220102 its reverse (2010220010121), we get a palindrome (3220320230223).

The spelling of 1210100220102 in words is "one trillion, two hundred ten billion, one hundred million, two hundred twenty thousand, one hundred two".