100202102221222 has 4 divisors (see below), whose sum is σ = 150303153331836. Its totient is φ = 50101051110610.

The previous prime is 100202102221187. The next prime is 100202102221271. The reversal of 100202102221222 is 222122201202001.

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

It is a super-2 number, since 2×100202102221222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100202102221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25050525555304 + ... + 25050525555307.

It is an arithmetic number, because the mean of its divisors is an integer number (37575788332959).

Almost surely, 2^{100202102221222} is an apocalyptic number.

100202102221222 is a deficient number, since it is larger than the sum of its proper divisors (50101051110614).

100202102221222 is an equidigital number, since it uses as much as digits as its factorization.

100202102221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50101051110613.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100202102221222 its reverse (222122201202001), we get a palindrome (322324303423223).

The spelling of 100202102221222 in words is "one hundred trillion, two hundred two billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-two".