1013123202221 has 8 divisors (see below), whose sum is σ = 1091508322464. Its totient is φ = 934802734320.

The previous prime is 1013123202191. The next prime is 1013123202269. The reversal of 1013123202221 is 1222023213101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013123202221 - 2²² = 1013119007917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013123202193 and 1013123202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013123202521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16130531 + ... + 16193216.

It is an arithmetic number, because the mean of its divisors is an integer number (136438540308).

Almost surely, 2^{1013123202221} is an apocalyptic number.

It is an amenable number.

1013123202221 is a deficient number, since it is larger than the sum of its proper divisors (78385120243).

1013123202221 is a wasteful number, since it uses less digits than its factorization.

1013123202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32326171.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1013123202221 its reverse (1222023213101), we get a palindrome (2235146415322).

The spelling of 1013123202221 in words is "one trillion, thirteen billion, one hundred twenty-three million, two hundred two thousand, two hundred twenty-one".