211225551132 has 96 divisors (see below), whose sum is σ = 501866487808. Its totient is φ = 69136913664.

The previous prime is 211225551109. The next prime is 211225551217. The reversal of 211225551132 is 231155522112.

It is a self number, because there is not a number n which added to its sum of digits gives 211225551132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66275643 + ... + 66278829.

Almost surely, 2^211225551132 is an apocalyptic number.

It is an amenable number.

211225551132 is an abundant number, since it is smaller than the sum of its proper divisors (290640936676).

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

211225551132 is a wasteful number, since it uses less digits than its factorization.

211225551132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755 (or 3753 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

The spelling of 211225551132 in words is "two hundred eleven billion, two hundred twenty-five million, five hundred fifty-one thousand, one hundred thirty-two".