102202111202 has 4 divisors (see below), whose sum is σ = 153303166806. Its totient is φ = 51101055600.

The previous prime is 102202111201. The next prime is 102202111229. The reversal of 102202111202 is 202111202201.

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., 79095375121 + 23106736081 = 281239^2 + 152009^2 .

It is not an unprimeable number, because it can be changed into a prime (102202111201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550527799 + ... + 25550527802.

Almost surely, 2^102202111202 is an apocalyptic number.

102202111202 is a deficient number, since it is larger than the sum of its proper divisors (51101055604).

102202111202 is an equidigital number, since it uses as much as digits as its factorization.

102202111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51101055603.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102202111202 its reverse (202111202201), we get a palindrome (304313313403).

Subtracting 102202111202 from its reverse (202111202201), we obtain a palindrome (99909090999).

The spelling of 102202111202 in words is "one hundred two billion, two hundred two million, one hundred eleven thousand, two hundred two".