202021013001 has 32 divisors (see below), whose sum is σ = 284446243840. Its totient is φ = 127370880000.

The previous prime is 202021012981. The next prime is 202021013011. The reversal of 202021013001 is 100310120202.

It is not a de Polignac number, because 202021013001 - 2⁷ = 202021012873 is a prime.

It is a super-2 number, since 2×202021013001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202021013011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603501 + ... + 876501.

It is an arithmetic number, because the mean of its divisors is an integer number (8888945120).

Almost surely, 2^202021013001 is an apocalyptic number.

It is an amenable number.

202021013001 is a deficient number, since it is larger than the sum of its proper divisors (82425230839).

202021013001 is a wasteful number, since it uses less digits than its factorization.

202021013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273217.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 202021013001 its reverse (100310120202), we get a palindrome (302331133203).

It can be divided in two parts, 20202 and 1013001, that added together give a triangular number (1033203 = T₁₄₃₇).

The spelling of 202021013001 in words is "two hundred two billion, twenty-one million, thirteen thousand, one".