2111211320 has 16 divisors (see below), whose sum is σ = 4750225560. Its totient is φ = 844484512.

The previous prime is 2111211313. The next prime is 2111211407. The reversal of 2111211320 is 231121112.

It is a super-2 number, since 2×2111211320² = 8914426475392284800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111211295 and 2111211304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26390102 + ... + 26390181.

Almost surely, 2^2111211320 is an apocalyptic number.

2111211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111211320 is an abundant number, since it is smaller than the sum of its proper divisors (2639014240).

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

2111211320 is a wasteful number, since it uses less digits than its factorization.

2111211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52780294 (or 52780290 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2111211320 is about 45947.9196482278. The cubic root of 2111211320 is about 1282.8540076846.

Adding to 2111211320 its reverse (231121112), we get a palindrome (2342332432).

The spelling of 2111211320 in words is "two billion, one hundred eleven million, two hundred eleven thousand, three hundred twenty".