121102019974 has 16 divisors (see below), whose sum is σ = 195806354688. Its totient is φ = 55841807232.

The previous prime is 121102019971. The next prime is 121102019977. The reversal of 121102019974 is 479910201121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121102019971) and next prime (121102019977).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102019971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114227 + ... + 2170750.

It is an arithmetic number, because the mean of its divisors is an integer number (12237897168).

Almost surely, 2^121102019974 is an apocalyptic number.

121102019974 is a deficient number, since it is larger than the sum of its proper divisors (74704334714).

121102019974 is a wasteful number, since it uses less digits than its factorization.

121102019974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286079.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 121102019974 in words is "one hundred twenty-one billion, one hundred two million, nineteen thousand, nine hundred seventy-four".