121116426116 has 12 divisors (see below), whose sum is σ = 242232852288. Its totient is φ = 51907039752.

The previous prime is 121116426107. The next prime is 121116426131. The reversal of 121116426116 is 611624611121.

121116426116 is an admirable number.

It is a super-2 number, since 2×121116426116² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162793296 + ... + 2162793351.

It is an arithmetic number, because the mean of its divisors is an integer number (20186071024).

Almost surely, 2^121116426116 is an apocalyptic number.

It is an amenable number.

121116426116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121116426116 is a wasteful number, since it uses less digits than its factorization.

121116426116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325586658 (or 4325586656 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The spelling of 121116426116 in words is "one hundred twenty-one billion, one hundred sixteen million, four hundred twenty-six thousand, one hundred sixteen".