2111001004 has 24 divisors (see below), whose sum is σ = 4444213760. Its totient is φ = 857097936.

The previous prime is 2111000999. The next prime is 2111001007. The reversal of 2111001004 is 4001001112.

It is not an unprimeable number, because it can be changed into a prime (2111001007) 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, 1983492 + ... + 1984555.

Almost surely, 2^2111001004 is an apocalyptic number.

It is an amenable number.

2111001004 is an abundant number, since it is smaller than the sum of its proper divisors (2333212756).

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

2111001004 is a wasteful number, since it uses less digits than its factorization.

2111001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968077 (or 3968075 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2111001004 is about 45945.6309565991. The cubic root of 2111001004 is about 1282.8114075462.

Adding to 2111001004 its reverse (4001001112), we get a palindrome (6112002116).

The spelling of 2111001004 in words is "two billion, one hundred eleven million, one thousand, four".