1020121202319 has 16 divisors (see below), whose sum is σ = 1419322705152. Its totient is φ = 650501235648.

The previous prime is 1020121202311. The next prime is 1020121202323. The reversal of 1020121202319 is 9132021210201.

It is not a de Polignac number, because 1020121202319 - 2³ = 1020121202311 is a prime.

It is a super-2 number, since 2×1020121202319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020121202311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7085619 + ... + 7228155.

It is an arithmetic number, because the mean of its divisors is an integer number (88707669072).

Almost surely, 2^{1020121202319} is an apocalyptic number.

1020121202319 is a deficient number, since it is larger than the sum of its proper divisors (399201502833).

1020121202319 is a wasteful number, since it uses less digits than its factorization.

1020121202319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246286.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 1020121202319 in words is "one trillion, twenty billion, one hundred twenty-one million, two hundred two thousand, three hundred nineteen".