2111041972 has 12 divisors (see below), whose sum is σ = 3978502276. Its totient is φ = 974327040.

The previous prime is 2111041969. The next prime is 2111041973. The reversal of 2111041972 is 2791401112.

It can be written as a sum of positive squares in 2 ways, for example, as 309548836 + 1801493136 = 17594^2 + 42444^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2111041972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111041973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20298429 + ... + 20298532.

Almost surely, 2^2111041972 is an apocalyptic number.

It is an amenable number.

2111041972 is a deficient number, since it is larger than the sum of its proper divisors (1867460304).

2111041972 is a wasteful number, since it uses less digits than its factorization.

2111041972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40596978 (or 40596976 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2111041972 is about 45946.0767857279. The cubic root of 2111041972 is about 1282.8197059597.

The spelling of 2111041972 in words is "two billion, one hundred eleven million, forty-one thousand, nine hundred seventy-two".