2201212002220 has 96 divisors (see below), whose sum is σ = 5775785971200. Its totient is φ = 684590538240.

The previous prime is 2201212002181. The next prime is 2201212002221. The reversal of 2201212002220 is 222002121022.

It is a junction number, because it is equal to n+sod(n) for n = 2201212002194 and 2201212002203.

It is not an unprimeable number, because it can be changed into a prime (2201212002221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 860070 + ... + 2267629.

It is an arithmetic number, because the mean of its divisors is an integer number (60164437200).

Almost surely, 2^{2201212002220} is an apocalyptic number.

2201212002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201212002220 is an abundant number, since it is smaller than the sum of its proper divisors (3574573968980).

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

2201212002220 is a wasteful number, since it uses less digits than its factorization.

2201212002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128183 (or 3128181 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2201212002220 its reverse (222002121022), we get a palindrome (2423214123242).

The spelling of 2201212002220 in words is "two trillion, two hundred one billion, two hundred twelve million, two thousand, two hundred twenty".