20112201012122 has 8 divisors (see below), whose sum is σ = 30217038679200. Its totient is φ = 10039854785724.

The previous prime is 20112201012109. The next prime is 20112201012251. The reversal of 20112201012122 is 22121010221102.

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 20112201012122.

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, 8122858622 + ... + 8122861097.

It is an arithmetic number, because the mean of its divisors is an integer number (3777129834900).

Almost surely, 2^{20112201012122} is an apocalyptic number.

20112201012122 is a deficient number, since it is larger than the sum of its proper divisors (10104837667078).

20112201012122 is a wasteful number, since it uses less digits than its factorization.

20112201012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16245720340.

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

Adding to 20112201012122 its reverse (22121010221102), we get a palindrome (42233211233224).

The spelling of 20112201012122 in words is "twenty trillion, one hundred twelve billion, two hundred one million, twelve thousand, one hundred twenty-two".