2220123331128 has 32 divisors (see below), whose sum is σ = 5550589933200. Its totient is φ = 740003563008.

The previous prime is 2220123331103. The next prime is 2220123331141. The reversal of 2220123331128 is 8211333210222.

It is a junction number, because it is equal to n+sod(n) for n = 2220123331095 and 2220123331104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861783 + ... + 2811846.

Almost surely, 2^{2220123331128} is an apocalyptic number.

It is an amenable number.

2220123331128 is an abundant number, since it is smaller than the sum of its proper divisors (3330466602072).

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

2220123331128 is a wasteful number, since it uses less digits than its factorization.

2220123331128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693431 (or 4693427 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 2220123331128 in words is "two trillion, two hundred twenty billion, one hundred twenty-three million, three hundred thirty-one thousand, one hundred twenty-eight".