101022109944551 has 2 divisors, whose sum is σ = 101022109944552. Its totient is φ = 101022109944550.

The previous prime is 101022109944541. The next prime is 101022109944607. The reversal of 101022109944551 is 155449901220101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101022109944551 - 2³⁰ = 101021036202727 is a prime.

It is a super-3 number, since 3×101022109944551³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101022109944541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511054972275 + 50511054972276.

It is an arithmetic number, because the mean of its divisors is an integer number (50511054972276).

Almost surely, 2^{101022109944551} is an apocalyptic number.

101022109944551 is a deficient number, since it is larger than the sum of its proper divisors (1).

101022109944551 is an equidigital number, since it uses as much as digits as its factorization.

101022109944551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 101022109944551 in words is "one hundred one trillion, twenty-two billion, one hundred nine million, nine hundred forty-four thousand, five hundred fifty-one".