101211010121983 has 2 divisors, whose sum is σ = 101211010121984. Its totient is φ = 101211010121982.

The previous prime is 101211010121971. The next prime is 101211010122073. The reversal of 101211010121983 is 389121010112101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101211010121983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101211010121953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605505060991 + 50605505060992.

It is an arithmetic number, because the mean of its divisors is an integer number (50605505060992).

Almost surely, 2^{101211010121983} is an apocalyptic number.

101211010121983 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211010121983 is an equidigital number, since it uses as much as digits as its factorization.

101211010121983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 31.

The spelling of 101211010121983 in words is "one hundred one trillion, two hundred eleven billion, ten million, one hundred twenty-one thousand, nine hundred eighty-three".