2200221120100 has 36 divisors (see below), whose sum is σ = 4780077295924. Its totient is φ = 879056657280.

The previous prime is 2200221120061. The next prime is 2200221120103. The reversal of 2200221120100 is 10211220022.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 31193211456 + 2169027908644 = 176616^2 + 1472762^2 .

It is not an unprimeable number, because it can be changed into a prime (2200221120103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12811659 + ... + 12982258.

Almost surely, 2^{2200221120100} is an apocalyptic number.

2200221120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200221120100 is an abundant number, since it is smaller than the sum of its proper divisors (2579856175824).

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

2200221120100 is a wasteful number, since it uses less digits than its factorization.

2200221120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25794784 (or 25794777 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2200221120100 its reverse (10211220022), we get a palindrome (2210432340122).

The spelling of 2200221120100 in words is "two trillion, two hundred billion, two hundred twenty-one million, one hundred twenty thousand, one hundred".