2220122211000 has 256 divisors, whose sum is σ = 7121578613760. Its totient is φ = 575417433600.

The previous prime is 2220122210993. The next prime is 2220122211007. The reversal of 2220122211000 is 1122210222.

It is an interprime number because it is at equal distance from previous prime (2220122210993) and next prime (2220122211007).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220122211007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109102827 + ... + 109123173.

It is an arithmetic number, because the mean of its divisors is an integer number (27818666460).

Almost surely, 2^{2220122211000} is an apocalyptic number.

2220122211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220122211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3560789306880).

2220122211000 is an abundant number, since it is smaller than the sum of its proper divisors (4901456402760).

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

2220122211000 is a wasteful number, since it uses less digits than its factorization.

2220122211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21391 (or 21377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220122211000 its reverse (1122210222), we get a palindrome (2221244421222).

The spelling of 2220122211000 in words is "two trillion, two hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand".