102002202111202 has 4 divisors (see below), whose sum is σ = 153003303166806. Its totient is φ = 51001101055600.

The previous prime is 102002202111137. The next prime is 102002202111223. The reversal of 102002202111202 is 202111202200201.

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., 101484246975721 + 517955135481 = 10073939^2 + 719691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500550527799 + ... + 25500550527802.

Almost surely, 2^{102002202111202} is an apocalyptic number.

102002202111202 is a deficient number, since it is larger than the sum of its proper divisors (51001101055604).

102002202111202 is an equidigital number, since it uses as much as digits as its factorization.

102002202111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51001101055603.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102002202111202 its reverse (202111202200201), we get a palindrome (304113404311403).

The spelling of 102002202111202 in words is "one hundred two trillion, two billion, two hundred two million, one hundred eleven thousand, two hundred two".