102211203223202 has 4 divisors (see below), whose sum is σ = 153316804834806. Its totient is φ = 51105601611600.

The previous prime is 102211203223183. The next prime is 102211203223237. The reversal of 102211203223202 is 202322302112201.

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., 97803970588921 + 4407232634281 = 9889589^2 + 2099341^2 .

It is a super-2 number, since 2×102211203223202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552800805799 + ... + 25552800805802.

Almost surely, 2^{102211203223202} is an apocalyptic number.

102211203223202 is a deficient number, since it is larger than the sum of its proper divisors (51105601611604).

102211203223202 is an equidigital number, since it uses as much as digits as its factorization.

102211203223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105601611603.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102211203223202 its reverse (202322302112201), we get a palindrome (304533505335403).

The spelling of 102211203223202 in words is "one hundred two trillion, two hundred eleven billion, two hundred three million, two hundred twenty-three thousand, two hundred two".