10020202022021 has 4 divisors (see below), whose sum is σ = 10343434345344. Its totient is φ = 9696969698700.

The previous prime is 10020202021979. The next prime is 10020202022023. The reversal of 10020202022021 is 12022020202001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10020202022021 - 2²⁶ = 10020134913157 is a prime.

It is a super-2 number, since 2×10020202022021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020202021987 and 10020202022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020202022023) 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, 161616161615 + ... + 161616161676.

It is an arithmetic number, because the mean of its divisors is an integer number (2585858586336).

Almost surely, 2^{10020202022021} is an apocalyptic number.

It is an amenable number.

10020202022021 is a deficient number, since it is larger than the sum of its proper divisors (323232323323).

10020202022021 is an equidigital number, since it uses as much as digits as its factorization.

10020202022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323232323322.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10020202022021 its reverse (12022020202001), we get a palindrome (22042222224022).

The spelling of 10020202022021 in words is "ten trillion, twenty billion, two hundred two million, twenty-two thousand, twenty-one".