102111010011202 has 4 divisors (see below), whose sum is σ = 153166515016806. Its totient is φ = 51055505005600.

The previous prime is 102111010011193. The next prime is 102111010011223. The reversal of 102111010011202 is 202110010111201.

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., 78418658195761 + 23692351815441 = 8855431^2 + 4867479^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527752502799 + ... + 25527752502802.

Almost surely, 2^{102111010011202} is an apocalyptic number.

102111010011202 is a deficient number, since it is larger than the sum of its proper divisors (51055505005604).

102111010011202 is an equidigital number, since it uses as much as digits as its factorization.

102111010011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51055505005603.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102111010011202 its reverse (202110010111201), we get a palindrome (304221020122403).

Subtracting 102111010011202 from its reverse (202110010111201), we obtain a palindrome (99999000099999).

The spelling of 102111010011202 in words is "one hundred two trillion, one hundred eleven billion, ten million, eleven thousand, two hundred two".