102100012202 has 4 divisors (see below), whose sum is σ = 153150018306. Its totient is φ = 51050006100.

The previous prime is 102100012199. The next prime is 102100012219. The reversal of 102100012202 is 202210001201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76136813041 + 25963199161 = 275929^2 + 161131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525003049 + ... + 25525003052.

Almost surely, 2^102100012202 is an apocalyptic number.

102100012202 is a deficient number, since it is larger than the sum of its proper divisors (51050006104).

102100012202 is an equidigital number, since it uses as much as digits as its factorization.

102100012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050006103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102100012202 its reverse (202210001201), we get a palindrome (304310013403).

The spelling of 102100012202 in words is "one hundred two billion, one hundred million, twelve thousand, two hundred two".