211141213428 has 24 divisors (see below), whose sum is σ = 496423620000. Its totient is φ = 69843148960.

The previous prime is 211141213427. The next prime is 211141213453. The reversal of 211141213428 is 824312141112.

It is a super-2 number, since 2×211141213428² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211141213395 and 211141213404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211141213427) 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, 67155303 + ... + 67158446.

It is an arithmetic number, because the mean of its divisors is an integer number (20684317500).

Almost surely, 2^211141213428 is an apocalyptic number.

It is an amenable number.

211141213428 is an abundant number, since it is smaller than the sum of its proper divisors (285282406572).

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

211141213428 is a wasteful number, since it uses less digits than its factorization.

211141213428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134313887 (or 134313885 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The spelling of 211141213428 in words is "two hundred eleven billion, one hundred forty-one million, two hundred thirteen thousand, four hundred twenty-eight".