121001020119 has 12 divisors (see below), whose sum is σ = 199747715856. Its totient is φ = 69143440032.

The previous prime is 121001020111. The next prime is 121001020171. The reversal of 121001020119 is 911020100121.

It is a happy number.

It is not a de Polignac number, because 121001020119 - 2³ = 121001020111 is a prime.

It is a super-2 number, since 2×121001020119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001020111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960325494 + ... + 960325619.

It is an arithmetic number, because the mean of its divisors is an integer number (16645642988).

Almost surely, 2^121001020119 is an apocalyptic number.

121001020119 is a deficient number, since it is larger than the sum of its proper divisors (78746695737).

121001020119 is a wasteful number, since it uses less digits than its factorization.

121001020119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920651126 (or 1920651123 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 121001020119 in words is "one hundred twenty-one billion, one million, twenty thousand, one hundred nineteen".