101022101201939 has 2 divisors, whose sum is σ = 101022101201940. Its totient is φ = 101022101201938.

The previous prime is 101022101201933. The next prime is 101022101201953. The reversal of 101022101201939 is 939102101220101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101022101201939 is a prime.

It is not a weakly prime, because it can be changed into another prime (101022101201933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511050600969 + 50511050600970.

It is an arithmetic number, because the mean of its divisors is an integer number (50511050600970).

Almost surely, 2^{101022101201939} is an apocalyptic number.

101022101201939 is a deficient number, since it is larger than the sum of its proper divisors (1).

101022101201939 is an equidigital number, since it uses as much as digits as its factorization.

101022101201939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 101022101201939 in words is "one hundred one trillion, twenty-two billion, one hundred one million, two hundred one thousand, nine hundred thirty-nine".