302221130210021 has 16 divisors (see below), whose sum is σ = 337929646759488. Its totient is φ = 267966126912000.

The previous prime is 302221130209993. The next prime is 302221130210023. The reversal of 302221130210021 is 120012031122203.

It is a de Polignac number, because none of the positive numbers 2^k-302221130210021 is a prime.

It is a super-2 number, since 2×302221130210021² (a number of 30 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 = 302221130209975 and 302221130210002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302221130210023) 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, 2029971980 + ... + 2030120853.

It is an arithmetic number, because the mean of its divisors is an integer number (21120602922468).

Almost surely, 2^{302221130210021} is an apocalyptic number.

It is an amenable number.

302221130210021 is a deficient number, since it is larger than the sum of its proper divisors (35708516549467).

302221130210021 is a wasteful number, since it uses less digits than its factorization.

302221130210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060093012.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 302221130210021 its reverse (120012031122203), we get a palindrome (422233161332224).

The spelling of 302221130210021 in words is "three hundred two trillion, two hundred twenty-one billion, one hundred thirty million, two hundred ten thousand, twenty-one".