122000001111121 has 32 divisors (see below), whose sum is σ = 147235254716160. Its totient is φ = 98751877906176.

The previous prime is 122000001111113. The next prime is 122000001111127. The reversal of 122000001111121 is 121111100000221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122000001111121 - 2³ = 122000001111113 is a prime.

It is a super-2 number, since 2×122000001111121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122000001111127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78058095 + ... + 79605691.

It is an arithmetic number, because the mean of its divisors is an integer number (4601101709880).

Almost surely, 2^{122000001111121} is an apocalyptic number.

It is an amenable number.

122000001111121 is a deficient number, since it is larger than the sum of its proper divisors (25235253605039).

122000001111121 is a wasteful number, since it uses less digits than its factorization.

122000001111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549513.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122000001111121 its reverse (121111100000221), we get a palindrome (243111101111342).

The spelling of 122000001111121 in words is "one hundred twenty-two trillion, one million, one hundred eleven thousand, one hundred twenty-one".