2201001111220 has 96 divisors (see below), whose sum is σ = 4763368995840. Its totient is φ = 853961041920.

The previous prime is 2201001111167. The next prime is 2201001111223. The reversal of 2201001111220 is 221111001022.

It is a super-3 number, since 3×2201001111220³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2201001111220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201001111223) 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, 29697810 + ... + 29771830.

It is an arithmetic number, because the mean of its divisors is an integer number (49618427040).

Almost surely, 2^{2201001111220} is an apocalyptic number.

2201001111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201001111220 is an abundant number, since it is smaller than the sum of its proper divisors (2562367884620).

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

2201001111220 is a wasteful number, since it uses less digits than its factorization.

2201001111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74425 (or 74423 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2201001111220 its reverse (221111001022), we get a palindrome (2422112112242).

The spelling of 2201001111220 in words is "two trillion, two hundred one billion, one million, one hundred eleven thousand, two hundred twenty".