101622446416021 has 4 divisors (see below), whose sum is σ = 101630526451372. Its totient is φ = 101614366380672.

The previous prime is 101622446415943. The next prime is 101622446416081. The reversal of 101622446416021 is 120614644226101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37758198352900 + 63864248063121 = 6144770^2 + 7991511^2 .

It is a cyclic number.

It is not a de Polignac number, because 101622446416021 - 2²⁵ = 101622412861589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101622446416081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039998810 + ... + 4040023963.

It is an arithmetic number, because the mean of its divisors is an integer number (25407631612843).

Almost surely, 2^{101622446416021} is an apocalyptic number.

It is an amenable number.

101622446416021 is a deficient number, since it is larger than the sum of its proper divisors (8080035351).

101622446416021 is an equidigital number, since it uses as much as digits as its factorization.

101622446416021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080035350.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 101622446416021 in words is "one hundred one trillion, six hundred twenty-two billion, four hundred forty-six million, four hundred sixteen thousand, twenty-one".