101224901643 has 16 divisors (see below), whose sum is σ = 142915656096. Its totient is φ = 63509258240.

The previous prime is 101224901629. The next prime is 101224901669. The reversal of 101224901643 is 346109422101.

It is not a de Polignac number, because 101224901643 - 2⁶ = 101224901579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101224901243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773755 + ... + 895067.

It is an arithmetic number, because the mean of its divisors is an integer number (8932228506).

Almost surely, 2^101224901643 is an apocalyptic number.

101224901643 is a deficient number, since it is larger than the sum of its proper divisors (41690754453).

101224901643 is a wasteful number, since it uses less digits than its factorization.

101224901643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137694.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 101224901643 in words is "one hundred one billion, two hundred twenty-four million, nine hundred one thousand, six hundred forty-three".