2100122200859 has 2 divisors, whose sum is σ = 2100122200860. Its totient is φ = 2100122200858.

The previous prime is 2100122200849. The next prime is 2100122200873. The reversal of 2100122200859 is 9580022210012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100122200859 - 2⁴ = 2100122200843 is a prime.

It is a super-3 number, since 3×2100122200859³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2100122200819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050061100429 + 1050061100430.

It is an arithmetic number, because the mean of its divisors is an integer number (1050061100430).

Almost surely, 2^{2100122200859} is an apocalyptic number.

2100122200859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100122200859 is an equidigital number, since it uses as much as digits as its factorization.

2100122200859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 2100122200859 in words is "two trillion, one hundred billion, one hundred twenty-two million, two hundred thousand, eight hundred fifty-nine".