2100401099 has 2 divisors, whose sum is σ = 2100401100. Its totient is φ = 2100401098.

The previous prime is 2100401087. The next prime is 2100401111. The reversal of 2100401099 is 9901040012.

It is a balanced prime because it is at equal distance from previous prime (2100401087) and next prime (2100401111).

It is a cyclic number.

It is not a de Polignac number, because 2100401099 - 2⁸ = 2100400843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100401059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050200549 + 1050200550.

It is an arithmetic number, because the mean of its divisors is an integer number (1050200550).

Almost surely, 2^2100401099 is an apocalyptic number.

2100401099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100401099 is an equidigital number, since it uses as much as digits as its factorization.

2100401099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2100401099 is about 45830.1330894860. The cubic root of 2100401099 is about 1280.6606898009.

The spelling of 2100401099 in words is "two billion, one hundred million, four hundred one thousand, ninety-nine".