121015052405223 has 16 divisors (see below), whose sum is σ = 163297945364736. Its totient is φ = 79704436777920.

The previous prime is 121015052405113. The next prime is 121015052405249. The reversal of 121015052405223 is 322504250510121.

It is not a de Polignac number, because 121015052405223 - 2⁹ = 121015052404711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121015052805223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106046043 + ... + 107181123.

It is an arithmetic number, because the mean of its divisors is an integer number (10206121585296).

Almost surely, 2^{121015052405223} is an apocalyptic number.

121015052405223 is a deficient number, since it is larger than the sum of its proper divisors (42282892959513).

121015052405223 is a wasteful number, since it uses less digits than its factorization.

121015052405223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563334.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 121015052405223 in words is "one hundred twenty-one trillion, fifteen billion, fifty-two million, four hundred five thousand, two hundred twenty-three".