101421553225405 has 24 divisors (see below), whose sum is σ = 142899351169248. Its totient is φ = 68896243348128.

The previous prime is 101421553225387. The next prime is 101421553225417. The reversal of 101421553225405 is 504522355124101.

It is not a de Polignac number, because 101421553225405 - 2¹³ = 101421553217213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1934392119 + ... + 1934444548.

It is an arithmetic number, because the mean of its divisors is an integer number (5954139632052).

Almost surely, 2^{101421553225405} is an apocalyptic number.

It is an amenable number.

101421553225405 is a deficient number, since it is larger than the sum of its proper divisors (41477797943843).

101421553225405 is a wasteful number, since it uses less digits than its factorization.

101421553225405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868836793 (or 3868836786 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 101421553225405 in words is "one hundred one trillion, four hundred twenty-one billion, five hundred fifty-three million, two hundred twenty-five thousand, four hundred five".