1201121023319 has 16 divisors (see below), whose sum is σ = 1403567832576. Its totient is φ = 1006590866400.

The previous prime is 1201121023273. The next prime is 1201121023321. The reversal of 1201121023319 is 9133201211021.

It is not a de Polignac number, because 1201121023319 - 2³⁶ = 1132401546583 is a prime.

It is a super-2 number, since 2×1201121023319² (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 (1201121023339) 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, 8350637 + ... + 8493254.

It is an arithmetic number, because the mean of its divisors is an integer number (87722989536).

Almost surely, 2^{1201121023319} is an apocalyptic number.

1201121023319 is a deficient number, since it is larger than the sum of its proper divisors (202446809257).

1201121023319 is a wasteful number, since it uses less digits than its factorization.

1201121023319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16844126.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 1201121023319 in words is "one trillion, two hundred one billion, one hundred twenty-one million, twenty-three thousand, three hundred nineteen".