1210020102102 has 48 divisors (see below), whose sum is σ = 2815237624320. Its totient is φ = 345709122192.

The previous prime is 1210020101993. The next prime is 1210020102113. The reversal of 1210020102102 is 2012010200121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16120503 + ... + 16195389.

It is an arithmetic number, because the mean of its divisors is an integer number (58650783840).

Almost surely, 2^{1210020102102} is an apocalyptic number.

1210020102102 is an abundant number, since it is smaller than the sum of its proper divisors (1605217522218).

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

1210020102102 is a wasteful number, since it uses less digits than its factorization.

1210020102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129865 (or 129858 counting only the distinct ones).

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

Adding to 1210020102102 its reverse (2012010200121), we get a palindrome (3222030302223).

The spelling of 1210020102102 in words is "one trillion, two hundred ten billion, twenty million, one hundred two thousand, one hundred two".