211211220132 has 36 divisors (see below), whose sum is σ = 582430941456. Its totient is φ = 64003399920.

The previous prime is 211211220127. The next prime is 211211220173. The reversal of 211211220132 is 231022112112.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×211211220132³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266680438 + ... + 266681229.

Almost surely, 2^211211220132 is an apocalyptic number.

211211220132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211211220132 is an abundant number, since it is smaller than the sum of its proper divisors (371219721324).

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

211211220132 is a wasteful number, since it uses less digits than its factorization.

211211220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533361688 (or 533361683 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211211220132 its reverse (231022112112), we get a palindrome (442233332244).

The spelling of 211211220132 in words is "two hundred eleven billion, two hundred eleven million, two hundred twenty thousand, one hundred thirty-two".