213203221022 has 16 divisors (see below), whose sum is σ = 349978570992. Its totient is φ = 96604840320.

The previous prime is 213203220953. The next prime is 213203221039. The reversal of 213203221022 is 220122302312.

It is a happy number.

It is a super-2 number, since 2×213203221022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213203220985 and 213203221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15278603 + ... + 15292550.

It is an arithmetic number, because the mean of its divisors is an integer number (21873660687).

Almost surely, 2^213203221022 is an apocalyptic number.

213203221022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213203221022 is a deficient number, since it is larger than the sum of its proper divisors (136775349970).

213203221022 is a wasteful number, since it uses less digits than its factorization.

213203221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30571483.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213203221022 its reverse (220122302312), we get a palindrome (433325523334).

The spelling of 213203221022 in words is "two hundred thirteen billion, two hundred three million, two hundred twenty-one thousand, twenty-two".