3112021110220 has 48 divisors (see below), whose sum is σ = 7129665694368. Its totient is φ = 1131595112960.

The previous prime is 3112021110173. The next prime is 3112021110221. The reversal of 3112021110220 is 220111202113.

It is a junction number, because it is equal to n+sod(n) for n = 3112021110194 and 3112021110203.

It is not an unprimeable number, because it can be changed into a prime (3112021110221) 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, 5003184 + ... + 5590696.

It is an arithmetic number, because the mean of its divisors is an integer number (148534701966).

Almost surely, 2^{3112021110220} is an apocalyptic number.

It is an amenable number.

3112021110220 is an abundant number, since it is smaller than the sum of its proper divisors (4017644584148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3112021110220 is a wasteful number, since it uses less digits than its factorization.

3112021110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611610 (or 611608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 3112021110220 its reverse (220111202113), we get a palindrome (3332132312333).

The spelling of 3112021110220 in words is "three trillion, one hundred twelve billion, twenty-one million, one hundred ten thousand, two hundred twenty".