1013210333121 has 32 divisors (see below), whose sum is σ = 1623362169600. Its totient is φ = 549848436480.

The previous prime is 1013210333111. The next prime is 1013210333123. The reversal of 1013210333121 is 1213330123101.

It is a happy number.

It is not a de Polignac number, because 1013210333121 - 2⁵ = 1013210333089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1013210333123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13599966 + ... + 13674263.

It is an arithmetic number, because the mean of its divisors is an integer number (50730067800).

Almost surely, 2^{1013210333121} is an apocalyptic number.

It is an amenable number.

1013210333121 is a deficient number, since it is larger than the sum of its proper divisors (610151836479).

1013210333121 is a wasteful number, since it uses less digits than its factorization.

1013210333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27274329.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1013210333121 its reverse (1213330123101), we get a palindrome (2226540456222).

The spelling of 1013210333121 in words is "one trillion, thirteen billion, two hundred ten million, three hundred thirty-three thousand, one hundred twenty-one".