1213332021101 has 8 divisors (see below), whose sum is σ = 1216851636000. Its totient is φ = 1209812652720.

The previous prime is 1213332021043. The next prime is 1213332021103. The reversal of 1213332021101 is 1011202333121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1213332021101 - 2¹⁰ = 1213332020077 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 (1213332021103) 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, 15362330 + ... + 15441108.

It is an arithmetic number, because the mean of its divisors is an integer number (152106454500).

Almost surely, 2^{1213332021101} is an apocalyptic number.

It is an amenable number.

1213332021101 is a deficient number, since it is larger than the sum of its proper divisors (3519614899).

1213332021101 is an equidigital number, since it uses as much as digits as its factorization.

1213332021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123259.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1213332021101 its reverse (1011202333121), we get a palindrome (2224534354222).

The spelling of 1213332021101 in words is "one trillion, two hundred thirteen billion, three hundred thirty-two million, twenty-one thousand, one hundred one".