20122111133131 has 8 divisors (see below), whose sum is σ = 22996739003904. Its totient is φ = 17247493403880.

The previous prime is 20122111133057. The next prime is 20122111133149. The reversal of 20122111133131 is 13133111122102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122111133131 is a prime.

It is a super-2 number, since 2×20122111133131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122111133731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341806 + ... + 6762268.

It is an arithmetic number, because the mean of its divisors is an integer number (2874592375488).

Almost surely, 2^{20122111133131} is an apocalyptic number.

20122111133131 is a deficient number, since it is larger than the sum of its proper divisors (2874627870773).

20122111133131 is an equidigital number, since it uses as much as digits as its factorization.

20122111133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070761.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 20122111133131 its reverse (13133111122102), we get a palindrome (33255222255233).

The spelling of 20122111133131 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, one hundred thirty-three thousand, one hundred thirty-one".