122012000022111 has 4 divisors (see below), whose sum is σ = 162682666696152. Its totient is φ = 81341333348072.

The previous prime is 122012000022097. The next prime is 122012000022127. The reversal of 122012000022111 is 111220000210221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122012000022111 - 2⁶ = 122012000022047 is a prime.

It is a super-2 number, since 2×122012000022111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012000072111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20335333337016 + ... + 20335333337021.

It is an arithmetic number, because the mean of its divisors is an integer number (40670666674038).

Almost surely, 2^{122012000022111} is an apocalyptic number.

122012000022111 is a deficient number, since it is larger than the sum of its proper divisors (40670666674041).

122012000022111 is an equidigital number, since it uses as much as digits as its factorization.

122012000022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40670666674040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122012000022111 its reverse (111220000210221), we get a palindrome (233232000232332).

The spelling of 122012000022111 in words is "one hundred twenty-two trillion, twelve billion, twenty-two thousand, one hundred eleven".