121002220196 has 48 divisors (see below), whose sum is σ = 250036839360. Its totient is φ = 50512398720.

The previous prime is 121002220189. The next prime is 121002220217. The reversal of 121002220196 is 691022200121.

It is a super-2 number, since 2×121002220196² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424226 + ... + 649593.

It is an arithmetic number, because the mean of its divisors is an integer number (5209100820).

Almost surely, 2^121002220196 is an apocalyptic number.

It is an amenable number.

121002220196 is an abundant number, since it is smaller than the sum of its proper divisors (129034619164).

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

121002220196 is a wasteful number, since it uses less digits than its factorization.

121002220196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074044 (or 1074042 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 121002220196 in words is "one hundred twenty-one billion, two million, two hundred twenty thousand, one hundred ninety-six".