100021000110149 has 2 divisors, whose sum is σ = 100021000110150. Its totient is φ = 100021000110148.

The previous prime is 100021000110137. The next prime is 100021000110223. The reversal of 100021000110149 is 941011000120001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61543915170049 + 38477084940100 = 7844993^2 + 6202990^2 .

It is a cyclic number.

It is not a de Polignac number, because 100021000110149 - 2²⁸ = 100020731674693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100021000110149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021000113149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010500055074 + 50010500055075.

It is an arithmetic number, because the mean of its divisors is an integer number (50010500055075).

Almost surely, 2^{100021000110149} is an apocalyptic number.

It is an amenable number.

100021000110149 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021000110149 is an equidigital number, since it uses as much as digits as its factorization.

100021000110149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 100021000110149 in words is "one hundred trillion, twenty-one billion, one hundred ten thousand, one hundred forty-nine".