211303233402 has 16 divisors (see below), whose sum is σ = 422681081760. Its totient is φ = 70421975312.

The previous prime is 211303233377. The next prime is 211303233457. The reversal of 211303233402 is 204332303112.

It is a super-2 number, since 2×211303233402² (a number of 23 digits) contains 22 as substring.

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, 3072108 + ... + 3140135.

It is an arithmetic number, because the mean of its divisors is an integer number (26417567610).

Almost surely, 2^211303233402 is an apocalyptic number.

211303233402 is an abundant number, since it is smaller than the sum of its proper divisors (211377848358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211303233402 is a wasteful number, since it uses less digits than its factorization.

211303233402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217917.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 211303233402 its reverse (204332303112), we get a palindrome (415635536514).

The spelling of 211303233402 in words is "two hundred eleven billion, three hundred three million, two hundred thirty-three thousand, four hundred two".