10020202002021 has 16 divisors (see below), whose sum is σ = 13687237771200. Its totient is φ = 6516676836480.

The previous prime is 10020202002011. The next prime is 10020202002023. The reversal of 10020202002021 is 12020020202001.

It is not a de Polignac number, because 10020202002021 - 2¹⁴ = 10020201985637 is a prime.

It is a super-2 number, since 2×10020202002021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10020202001988 and 10020202002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020202002023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770171 + ... + 4813928.

It is an arithmetic number, because the mean of its divisors is an integer number (855452360700).

Almost surely, 2^{10020202002021} is an apocalyptic number.

It is an amenable number.

10020202002021 is a deficient number, since it is larger than the sum of its proper divisors (3667035769179).

10020202002021 is a wasteful number, since it uses less digits than its factorization.

10020202002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596516.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10020202002021 its reverse (12020020202001), we get a palindrome (22040222204022).

The spelling of 10020202002021 in words is "ten trillion, twenty billion, two hundred two million, two thousand, twenty-one".