20122011202111 has 24 divisors (see below), whose sum is σ = 25303641590304. Its totient is φ = 15860177000640.

The previous prime is 20122011202109. The next prime is 20122011202129. The reversal of 20122011202111 is 11120211022102.

It is not a de Polignac number, because 20122011202111 - 2¹ = 20122011202109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011200111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59887060 + ... + 60222121.

It is an arithmetic number, because the mean of its divisors is an integer number (1054318399596).

Almost surely, 2^{20122011202111} is an apocalyptic number.

20122011202111 is a deficient number, since it is larger than the sum of its proper divisors (5181630388193).

20122011202111 is a wasteful number, since it uses less digits than its factorization.

20122011202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120109471 (or 120109464 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20122011202111 its reverse (11120211022102), we get a palindrome (31242222224213).

The spelling of 20122011202111 in words is "twenty trillion, one hundred twenty-two billion, eleven million, two hundred two thousand, one hundred eleven".