2111010112220 has 48 divisors (see below), whose sum is σ = 4712645901600. Its totient is φ = 792041299200.

The previous prime is 2111010112213. The next prime is 2111010112223. The reversal of 2111010112220 is 222110101112.

It is a junction number, because it is equal to n+sod(n) for n = 2111010112195 and 2111010112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111010112223) 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, 27463055 + ... + 27539814.

It is an arithmetic number, because the mean of its divisors is an integer number (98180122950).

Almost surely, 2^{2111010112220} is an apocalyptic number.

2111010112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111010112220 is an abundant number, since it is smaller than the sum of its proper divisors (2601635789380).

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

2111010112220 is a wasteful number, since it uses less digits than its factorization.

2111010112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55002998 (or 55002996 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111010112220 its reverse (222110101112), we get a palindrome (2333120213332).

The spelling of 2111010112220 in words is "two trillion, one hundred eleven billion, ten million, one hundred twelve thousand, two hundred twenty".