3112203213021 has 8 divisors (see below), whose sum is σ = 4742404896064. Its totient is φ = 1778401836000.

The previous prime is 3112203213011. The next prime is 3112203213043. The reversal of 3112203213021 is 1203123022113.

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

It is not a de Polignac number, because 3112203213021 - 2⁹ = 3112203212509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 148200153001 = 3112203213021 / (3 + 1 + 1 + 2 + 2 + 0 + 3 + 2 + 1 + 3 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112203213011) 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, 74100076480 + ... + 74100076521.

It is an arithmetic number, because the mean of its divisors is an integer number (592800612008).

Almost surely, 2^{3112203213021} is an apocalyptic number.

It is an amenable number.

3112203213021 is a deficient number, since it is larger than the sum of its proper divisors (1630201683043).

3112203213021 is a wasteful number, since it uses less digits than its factorization.

3112203213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148200153011.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3112203213021 its reverse (1203123022113), we get a palindrome (4315326235134).

The spelling of 3112203213021 in words is "three trillion, one hundred twelve billion, two hundred three million, two hundred thirteen thousand, twenty-one".