20110111121222 has 8 divisors (see below), whose sum is σ = 30165674956200. Its totient is φ = 10054886135824.

The previous prime is 20110111121173. The next prime is 20110111121383. The reversal of 20110111121222 is 22212111101102.

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 20110111121222.

It is a congruent number.

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, 84563972 + ... + 84801447.

It is an arithmetic number, because the mean of its divisors is an integer number (3770709369525).

Almost surely, 2^{20110111121222} is an apocalyptic number.

20110111121222 is a deficient number, since it is larger than the sum of its proper divisors (10055563834978).

20110111121222 is a wasteful number, since it uses less digits than its factorization.

20110111121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169424790.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20110111121222 its reverse (22212111101102), we get a palindrome (42322222222324).

The spelling of 20110111121222 in words is "twenty trillion, one hundred ten billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty-two".