2201112100220 has 48 divisors (see below), whose sum is σ = 5042926613088. Its totient is φ = 800344258560.

The previous prime is 2201112100133. The next prime is 2201112100249. The reversal of 2201112100220 is 220012111022.

It is a junction number, because it is equal to n+sod(n) for n = 2201112100195 and 2201112100204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2612552 + ... + 3350768.

It is an arithmetic number, because the mean of its divisors is an integer number (105060971106).

Almost surely, 2^{2201112100220} is an apocalyptic number.

2201112100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201112100220 is an abundant number, since it is smaller than the sum of its proper divisors (2841814512868).

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

2201112100220 is a wasteful number, since it uses less digits than its factorization.

2201112100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751790 (or 751788 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201112100220 its reverse (220012111022), we get a palindrome (2421124211242).

The spelling of 2201112100220 in words is "two trillion, two hundred one billion, one hundred twelve million, one hundred thousand, two hundred twenty".