211303244402 has 4 divisors (see below), whose sum is σ = 316954866606. Its totient is φ = 105651622200.

The previous prime is 211303244371. The next prime is 211303244407. The reversal of 211303244402 is 204442303112.

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., 202418108281 + 8885136121 = 449909^2 + 94261^2 .

It is a super-2 number, since 2×211303244402² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211303244407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52825811099 + ... + 52825811102.

Almost surely, 2^211303244402 is an apocalyptic number.

211303244402 is a deficient number, since it is larger than the sum of its proper divisors (105651622204).

211303244402 is a wasteful number, since it uses less digits than its factorization.

211303244402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105651622203.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211303244402 its reverse (204442303112), we get a palindrome (415745547514).

The spelling of 211303244402 in words is "two hundred eleven billion, three hundred three million, two hundred forty-four thousand, four hundred two".