213022111202 has 4 divisors (see below), whose sum is σ = 319533166806. Its totient is φ = 106511055600.

The previous prime is 213022111193. The next prime is 213022111207. The reversal of 213022111202 is 202111220312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 212861354161 + 160757041 = 461369^2 + 12679^2 .

It is not an unprimeable number, because it can be changed into a prime (213022111207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53255527799 + ... + 53255527802.

Almost surely, 2^213022111202 is an apocalyptic number.

213022111202 is a deficient number, since it is larger than the sum of its proper divisors (106511055604).

213022111202 is a wasteful number, since it uses less digits than its factorization.

213022111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106511055603.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 213022111202 its reverse (202111220312), we get a palindrome (415133331514).

The spelling of 213022111202 in words is "two hundred thirteen billion, twenty-two million, one hundred eleven thousand, two hundred two".