202210211021 has 16 divisors (see below), whose sum is σ = 254661880704. Its totient is φ = 156269784384.

The previous prime is 202210210991. The next prime is 202210211041. The reversal of 202210211021 is 120112012202.

It is a de Polignac number, because none of the positive numbers 2^k-202210211021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202210210987 and 202210211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210211041) 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, 25834346 + ... + 25842171.

It is an arithmetic number, because the mean of its divisors is an integer number (15916367544).

Almost surely, 2^202210211021 is an apocalyptic number.

It is an amenable number.

202210211021 is a deficient number, since it is larger than the sum of its proper divisors (52451669683).

202210211021 is a wasteful number, since it uses less digits than its factorization.

202210211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51676580.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202210211021 its reverse (120112012202), we get a palindrome (322322223223).

The spelling of 202210211021 in words is "two hundred two billion, two hundred ten million, two hundred eleven thousand, twenty-one".