2111442990 has 16 divisors (see below), whose sum is σ = 5067463248. Its totient is φ = 563051456.

The previous prime is 2111442989. The next prime is 2111443003. The reversal of 2111442990 is 992441112.

2111442990 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 35190687 + ... + 35190746.

It is an arithmetic number, because the mean of its divisors is an integer number (316716453).

Almost surely, 2^2111442990 is an apocalyptic number.

2111442990 is an abundant number, since it is smaller than the sum of its proper divisors (2956020258).

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

2111442990 is a wasteful number, since it uses less digits than its factorization.

2111442990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70381443.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2111442990 is about 45950.4405854830. The cubic root of 2111442990 is about 1282.9009298654.

The spelling of 2111442990 in words is "two billion, one hundred eleven million, four hundred forty-two thousand, nine hundred ninety".