101246644421 has 16 divisors (see below), whose sum is σ = 115288266240. Its totient is φ = 88142489280.

The previous prime is 101246644409. The next prime is 101246644423. The reversal of 101246644421 is 124446642101.

It is a cyclic number.

It is not a de Polignac number, because 101246644421 - 2⁶ = 101246644357 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 (101246644423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863990 + ... + 974151.

It is an arithmetic number, because the mean of its divisors is an integer number (7205516640).

Almost surely, 2^101246644421 is an apocalyptic number.

It is an amenable number.

101246644421 is a deficient number, since it is larger than the sum of its proper divisors (14041621819).

101246644421 is a wasteful number, since it uses less digits than its factorization.

101246644421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838396.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 101246644421 in words is "one hundred one billion, two hundred forty-six million, six hundred forty-four thousand, four hundred twenty-one".