101210020002149 has 2 divisors, whose sum is σ = 101210020002150. Its totient is φ = 101210020002148.

The previous prime is 101210020002139. The next prime is 101210020002349. The reversal of 101210020002149 is 941200020012101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78348167102500 + 22861852899649 = 8851450^2 + 4781407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101210020002149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210020002139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605010001074 + 50605010001075.

It is an arithmetic number, because the mean of its divisors is an integer number (50605010001075).

Almost surely, 2^{101210020002149} is an apocalyptic number.

It is an amenable number.

101210020002149 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210020002149 is an equidigital number, since it uses as much as digits as its factorization.

101210020002149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 101210020002149 in words is "one hundred one trillion, two hundred ten billion, twenty million, two thousand, one hundred forty-nine".