121020012220095 has 48 divisors (see below), whose sum is σ = 209896392412512. Its totient is φ = 64504518946560.

The previous prime is 121020012220013. The next prime is 121020012220103. The reversal of 121020012220095 is 590022210020121.

It is a happy number.

It is not a de Polignac number, because 121020012220095 - 2²⁶ = 121019945111231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 531601564 + ... + 531829166.

It is an arithmetic number, because the mean of its divisors is an integer number (4372841508594).

Almost surely, 2^{121020012220095} is an apocalyptic number.

121020012220095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121020012220095 is a deficient number, since it is larger than the sum of its proper divisors (88876380192417).

121020012220095 is a wasteful number, since it uses less digits than its factorization.

121020012220095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234792 (or 234789 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 121020012220095 in words is "one hundred twenty-one trillion, twenty billion, twelve million, two hundred twenty thousand, ninety-five".