20110220211122 has 8 divisors (see below), whose sum is σ = 31939761511836. Its totient is φ = 9463633040512.

The previous prime is 20110220211113. The next prime is 20110220211161. The reversal of 20110220211122 is 22111202201102.

It can be written as a sum of positive squares in 2 ways, for example, as 16763775620881 + 3346444590241 = 4094359^2 + 1829329^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20110220211122.

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, 295738532483 + ... + 295738532550.

Almost surely, 2^{20110220211122} is an apocalyptic number.

20110220211122 is a deficient number, since it is larger than the sum of its proper divisors (11829541300714).

20110220211122 is a wasteful number, since it uses less digits than its factorization.

20110220211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591477065052.

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

Adding to 20110220211122 its reverse (22111202201102), we get a palindrome (42221422412224).

The spelling of 20110220211122 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-two".