213111030202 has 48 divisors (see below), whose sum is σ = 379908921600. Its totient is φ = 89365060512.

The previous prime is 213111030169. The next prime is 213111030203. The reversal of 213111030202 is 202030111312.

It is a super-2 number, since 2×213111030202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213111030203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1850299 + ... + 1962097.

It is an arithmetic number, because the mean of its divisors is an integer number (7914769200).

Almost surely, 2^213111030202 is an apocalyptic number.

213111030202 is a deficient number, since it is larger than the sum of its proper divisors (166797891398).

213111030202 is a wasteful number, since it uses less digits than its factorization.

213111030202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112235 (or 112228 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213111030202 its reverse (202030111312), we get a palindrome (415141141514).

The spelling of 213111030202 in words is "two hundred thirteen billion, one hundred eleven million, thirty thousand, two hundred two".