211105855132028 has 24 divisors (see below), whose sum is σ = 387557130854880. Its totient is φ = 100477774658240.

The previous prime is 211105855132019. The next prime is 211105855132033. The reversal of 211105855132028 is 820231558501112.

It is a super-2 number, since 2×211105855132028² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211105855132028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12816034451 + ... + 12816050922.

It is an arithmetic number, because the mean of its divisors is an integer number (16148213785620).

Almost surely, 2^{211105855132028} is an apocalyptic number.

It is an amenable number.

211105855132028 is a deficient number, since it is larger than the sum of its proper divisors (176451275722852).

211105855132028 is a wasteful number, since it uses less digits than its factorization.

211105855132028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25632085477 (or 25632085475 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 44.

The spelling of 211105855132028 in words is "two hundred eleven trillion, one hundred five billion, eight hundred fifty-five million, one hundred thirty-two thousand, twenty-eight".