212111100152 has 32 divisors (see below), whose sum is σ = 454974376800. Its totient is φ = 90814639104.

The previous prime is 212111100151. The next prime is 212111100247. The reversal of 212111100152 is 251001111212.

It is a super-2 number, since 2×212111100152² (a number of 23 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 212111100152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111100151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820453 + ... + 1933460.

It is an arithmetic number, because the mean of its divisors is an integer number (14217949275).

Almost surely, 2^212111100152 is an apocalyptic number.

It is an amenable number.

212111100152 is an abundant number, since it is smaller than the sum of its proper divisors (242863276648).

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

212111100152 is a wasteful number, since it uses less digits than its factorization.

212111100152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754935 (or 3754931 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 212111100152 its reverse (251001111212), we get a palindrome (463112211364).

The spelling of 212111100152 in words is "two hundred twelve billion, one hundred eleven million, one hundred thousand, one hundred fifty-two".