210100102221091 has 2 divisors, whose sum is σ = 210100102221092. Its totient is φ = 210100102221090.

The previous prime is 210100102221077. The next prime is 210100102221101. The reversal of 210100102221091 is 190122201001012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210100102221091 is a prime.

It is not a weakly prime, because it can be changed into another prime (210100102228091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050051110545 + 105050051110546.

It is an arithmetic number, because the mean of its divisors is an integer number (105050051110546).

Almost surely, 2^{210100102221091} is an apocalyptic number.

210100102221091 is a deficient number, since it is larger than the sum of its proper divisors (1).

210100102221091 is an equidigital number, since it uses as much as digits as its factorization.

210100102221091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 210100102221091 in words is "two hundred ten trillion, one hundred billion, one hundred two million, two hundred twenty-one thousand, ninety-one".