121022120210019 has 32 divisors (see below), whose sum is σ = 188217373002240. Its totient is φ = 67737942669312.

The previous prime is 121022120209867. The next prime is 121022120210029. The reversal of 121022120210019 is 910012021220121.

It is not a de Polignac number, because 121022120210019 - 2²⁰ = 121022119161443 is a prime.

It is a super-2 number, since 2×121022120210019² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121022120210029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175969534 + ... + 176655939.

It is an arithmetic number, because the mean of its divisors is an integer number (5881792906320).

Almost surely, 2^{121022120210019} is an apocalyptic number.

121022120210019 is a deficient number, since it is larger than the sum of its proper divisors (67195252792221).

121022120210019 is a wasteful number, since it uses less digits than its factorization.

121022120210019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352625819.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 121022120210019 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty million, two hundred ten thousand, nineteen".