20112202101122 has 8 divisors (see below), whose sum is σ = 31479968506176. Its totient is φ = 9618879265732.

The previous prime is 20112202101097. The next prime is 20112202101139. The reversal of 20112202101122 is 22110120221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20112202101122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218610892358 + ... + 218610892449.

It is an arithmetic number, because the mean of its divisors is an integer number (3934996063272).

Almost surely, 2^{20112202101122} is an apocalyptic number.

20112202101122 is a deficient number, since it is larger than the sum of its proper divisors (11367766405054).

20112202101122 is a wasteful number, since it uses less digits than its factorization.

20112202101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437221784832.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20112202101122 its reverse (22110120221102), we get a palindrome (42222322322224).

The spelling of 20112202101122 in words is "twenty trillion, one hundred twelve billion, two hundred two million, one hundred one thousand, one hundred twenty-two".