211202221012 has 12 divisors (see below), whose sum is σ = 375662967316. Its totient is φ = 103869944640.

The previous prime is 211202220991. The next prime is 211202221033. The reversal of 211202221012 is 210122202112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211202220991) and next prime (211202221033).

It can be written as a sum of positive squares in 2 ways, for example, as 69889381956 + 141312839056 = 264366^2 + 375916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432791193 + ... + 432791680.

Almost surely, 2^211202221012 is an apocalyptic number.

It is an amenable number.

211202221012 is a deficient number, since it is larger than the sum of its proper divisors (164460746304).

211202221012 is a wasteful number, since it uses less digits than its factorization.

211202221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865582938 (or 865582936 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211202221012 its reverse (210122202112), we get a palindrome (421324423124).

The spelling of 211202221012 in words is "two hundred eleven billion, two hundred two million, two hundred twenty-one thousand, twelve".