121220111220996 has 12 divisors (see below), whose sum is σ = 282846926182352. Its totient is φ = 40406703740328.

The previous prime is 121220111220983. The next prime is 121220111221007. The reversal of 121220111220996 is 699022111022121.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5050837967530 + ... + 5050837967553.

Almost surely, 2^{121220111220996} is an apocalyptic number.

It is an amenable number.

121220111220996 is an abundant number, since it is smaller than the sum of its proper divisors (161626814961356).

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

121220111220996 is a wasteful number, since it uses less digits than its factorization.

121220111220996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101675935090 (or 10101675935088 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 121220111220996 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty thousand, nine hundred ninety-six".