3011123203220 has 96 divisors (see below), whose sum is σ = 7279010645760. Its totient is φ = 1035579100160.

The previous prime is 3011123203213. The next prime is 3011123203237. The reversal of 3011123203220 is 223023211103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3011123203192 and 3011123203201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2892827 + ... + 3793506.

It is an arithmetic number, because the mean of its divisors is an integer number (75823027560).

Almost surely, 2^{3011123203220} is an apocalyptic number.

It is an amenable number.

3011123203220 is an abundant number, since it is smaller than the sum of its proper divisors (4267887442540).

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

3011123203220 is a wasteful number, since it uses less digits than its factorization.

3011123203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686465 (or 6686463 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3011123203220 its reverse (223023211103), we get a palindrome (3234146414323).

The spelling of 3011123203220 in words is "three trillion, eleven billion, one hundred twenty-three million, two hundred three thousand, two hundred twenty".