211222332988 has 6 divisors (see below), whose sum is σ = 369639082736. Its totient is φ = 105611166492.

The previous prime is 211222332973. The next prime is 211222333019. The reversal of 211222332988 is 889233222112.

It is a super-2 number, since 2×211222332988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402791620 + ... + 26402791627.

Almost surely, 2^211222332988 is an apocalyptic number.

It is an amenable number.

211222332988 is a deficient number, since it is larger than the sum of its proper divisors (158416749748).

211222332988 is a wasteful number, since it uses less digits than its factorization.

211222332988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52805583251 (or 52805583249 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The spelling of 211222332988 in words is "two hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, nine hundred eighty-eight".