20012111022122 has 8 divisors (see below), whose sum is σ = 30018889308000. Its totient is φ = 10005814586124.

The previous prime is 20012111022119. The next prime is 20012111022149. The reversal of 20012111022122 is 22122011121002.

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 20012111022122.

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, 120358622 + ... + 120524777.

It is an arithmetic number, because the mean of its divisors is an integer number (3752361163500).

Almost surely, 2^{20012111022122} is an apocalyptic number.

20012111022122 is a deficient number, since it is larger than the sum of its proper divisors (10006778285878).

20012111022122 is a wasteful number, since it uses less digits than its factorization.

20012111022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240924940.

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

Adding to 20012111022122 its reverse (22122011121002), we get a palindrome (42134122143124).

The spelling of 20012111022122 in words is "twenty trillion, twelve billion, one hundred eleven million, twenty-two thousand, one hundred twenty-two".