101422040921 has 2 divisors, whose sum is σ = 101422040922. Its totient is φ = 101422040920.

The previous prime is 101422040911. The next prime is 101422040939. The reversal of 101422040921 is 129040224101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92006055625 + 9415985296 = 303325^2 + 97036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101422040921 is a prime.

It is not a weakly prime, because it can be changed into another prime (101422040911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50711020460 + 50711020461.

It is an arithmetic number, because the mean of its divisors is an integer number (50711020461).

Almost surely, 2^101422040921 is an apocalyptic number.

It is an amenable number.

101422040921 is a deficient number, since it is larger than the sum of its proper divisors (1).

101422040921 is an equidigital number, since it uses as much as digits as its factorization.

101422040921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 101422040921 in words is "one hundred one billion, four hundred twenty-two million, forty thousand, nine hundred twenty-one".