2201220110100 has 144 divisors (see below), whose sum is σ = 6997837109760. Its totient is φ = 529789948800.

The previous prime is 2201220110099. The next prime is 2201220110107. The reversal of 2201220110100 is 10110221022.

It is a super-2 number, since 2×2201220110100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201220110107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1940712 + ... + 2858111.

It is an arithmetic number, because the mean of its divisors is an integer number (48596091040).

Almost surely, 2^{2201220110100} is an apocalyptic number.

2201220110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201220110100 is an abundant number, since it is smaller than the sum of its proper divisors (4796616999660).

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

2201220110100 is a wasteful number, since it uses less digits than its factorization.

2201220110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798990 (or 4798983 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2201220110100 its reverse (10110221022), we get a palindrome (2211330331122).

The spelling of 2201220110100 in words is "two trillion, two hundred one billion, two hundred twenty million, one hundred ten thousand, one hundred".