1020211000139 has 2 divisors, whose sum is σ = 1020211000140. Its totient is φ = 1020211000138.

The previous prime is 1020211000121. The next prime is 1020211000163. The reversal of 1020211000139 is 9310001120201.

1020211000139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020211000139 - 2³² = 1015916032843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020211000139.

It is not a weakly prime, because it can be changed into another prime (1020211000199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510105500069 + 510105500070.

It is an arithmetic number, because the mean of its divisors is an integer number (510105500070).

Almost surely, 2^{1020211000139} is an apocalyptic number.

1020211000139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020211000139 is an equidigital number, since it uses as much as digits as its factorization.

1020211000139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 1020211000139 in words is "one trillion, twenty billion, two hundred eleven million, one hundred thirty-nine", and thus it is an aban number.