122121002112011 has 16 divisors (see below), whose sum is σ = 139629076919808. Its totient is φ = 104628490646400.

The previous prime is 122121002111951. The next prime is 122121002112019. The reversal of 122121002112011 is 110211200121221.

It is a de Polignac number, because none of the positive numbers 2^k-122121002112011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122121002112019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164740451 + ... + 165480083.

It is an arithmetic number, because the mean of its divisors is an integer number (8726817307488).

Almost surely, 2^{122121002112011} is an apocalyptic number.

122121002112011 is a deficient number, since it is larger than the sum of its proper divisors (17508074807797).

122121002112011 is an equidigital number, since it uses as much as digits as its factorization.

122121002112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750122.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122121002112011 its reverse (110211200121221), we get a palindrome (232332202233232).

The spelling of 122121002112011 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two million, one hundred twelve thousand, eleven".