101122021229989 has 2 divisors, whose sum is σ = 101122021229990. Its totient is φ = 101122021229988.

The previous prime is 101122021229963. The next prime is 101122021230029. The reversal of 101122021229989 is 989922120221101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90829153167489 + 10292868062500 = 9530433^2 + 3208250^2 .

It is a cyclic number.

It is not a de Polignac number, because 101122021229989 - 2⁷ = 101122021229861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101122021224989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561010614994 + 50561010614995.

It is an arithmetic number, because the mean of its divisors is an integer number (50561010614995).

Almost surely, 2^{101122021229989} is an apocalyptic number.

It is an amenable number.

101122021229989 is a deficient number, since it is larger than the sum of its proper divisors (1).

101122021229989 is an equidigital number, since it uses as much as digits as its factorization.

101122021229989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 49.

The spelling of 101122021229989 in words is "one hundred one trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-nine thousand, nine hundred eighty-nine".