2100557011 has 8 divisors (see below), whose sum is σ = 2404188000. Its totient is φ = 1797813888.

The previous prime is 2100556973. The next prime is 2100557023. The reversal of 2100557011 is 1107550012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100557011 - 2¹⁹ = 2100032723 is a prime.

It is a super-2 number, since 2×2100557011² = 8824679512922508242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100557051) 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, 216886 + ... + 226363.

It is an arithmetic number, because the mean of its divisors is an integer number (300523500).

Almost surely, 2^2100557011 is an apocalyptic number.

2100557011 is a deficient number, since it is larger than the sum of its proper divisors (303630989).

2100557011 is an equidigital number, since it uses as much as digits as its factorization.

2100557011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443933.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 2100557011 is about 45831.8340348714. The cubic root of 2100557011 is about 1280.6923766740.

The spelling of 2100557011 in words is "two billion, one hundred million, five hundred fifty-seven thousand, eleven".