2111011420 has 24 divisors (see below), whose sum is σ = 5066427744. Its totient is φ = 723775296.

The previous prime is 2111011367. The next prime is 2111011451. The reversal of 2111011420 is 241101112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111011420.

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, 7539187 + ... + 7539466.

It is an arithmetic number, because the mean of its divisors is an integer number (211101156).

Almost surely, 2^2111011420 is an apocalyptic number.

2111011420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111011420 is an abundant number, since it is smaller than the sum of its proper divisors (2955416324).

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

2111011420 is a wasteful number, since it uses less digits than its factorization.

2111011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15078669 (or 15078667 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2111011420 is about 45945.7443078246. The cubic root of 2111011420 is about 1282.8135174049.

Adding to 2111011420 its reverse (241101112), we get a palindrome (2352112532).

It can be divided in two parts, 211101 and 1420, that added together give a square (212521 = 461²).

The spelling of 2111011420 in words is "two billion, one hundred eleven million, eleven thousand, four hundred twenty".