121220032211013 has 16 divisors (see below), whose sum is σ = 163133411302400. Its totient is φ = 80060221126080.

The previous prime is 121220032211011. The next prime is 121220032211029. The reversal of 121220032211013 is 310112230022121.

It is not a de Polignac number, because 121220032211013 - 2¹ = 121220032211011 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 (121220032211011) 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, 24908773 + ... + 29374938.

It is an arithmetic number, because the mean of its divisors is an integer number (10195838206400).

Almost surely, 2^{121220032211013} is an apocalyptic number.

It is an amenable number.

121220032211013 is a deficient number, since it is larger than the sum of its proper divisors (41913379091387).

121220032211013 is a wasteful number, since it uses less digits than its factorization.

121220032211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54290652.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121220032211013 its reverse (310112230022121), we get a palindrome (431332262233134).

The spelling of 121220032211013 in words is "one hundred twenty-one trillion, two hundred twenty billion, thirty-two million, two hundred eleven thousand, thirteen".