2021000121032 has 16 divisors (see below), whose sum is σ = 3789615890700. Its totient is φ = 1010435883520.

The previous prime is 2021000121031. The next prime is 2021000121043. The reversal of 2021000121032 is 2301210001202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2018973860836 + 2026260196 = 1420906^2 + 45014^2 .

It is a super-2 number, since 2×2021000121032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021000120998 and 2021000121016.

It is not an unprimeable number, because it can be changed into a prime (2021000121031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7888157 + ... + 8140332.

Almost surely, 2^{2021000121032} is an apocalyptic number.

It is an amenable number.

2021000121032 is a deficient number, since it is larger than the sum of its proper divisors (1768615769668).

2021000121032 is a wasteful number, since it uses less digits than its factorization.

2021000121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16044256 (or 16044252 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021000121032 its reverse (2301210001202), we get a palindrome (4322210122234).

The spelling of 2021000121032 in words is "two trillion, twenty-one billion, one hundred twenty-one thousand, thirty-two".