211498222272 has 112 divisors (see below), whose sum is σ = 572121792000. Its totient is φ = 68923773952.

The previous prime is 211498222213. The next prime is 211498222301. The reversal of 211498222272 is 272222894112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8533354 + ... + 8558102.

Almost surely, 2^211498222272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211498222272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286060896000).

211498222272 is an abundant number, since it is smaller than the sum of its proper divisors (360623569728).

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

211498222272 is a wasteful number, since it uses less digits than its factorization.

211498222272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25758 (or 25748 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The spelling of 211498222272 in words is "two hundred eleven billion, four hundred ninety-eight million, two hundred twenty-two thousand, two hundred seventy-two".