2201211000 has 192 divisors, whose sum is σ = 7878293280. Its totient is φ = 552422400.

The previous prime is 2201210989. The next prime is 2201211011. The reversal of 2201211000 is 1121022.

It is an interprime number because it is at equal distance from previous prime (2201210989) and next prime (2201211011).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145807 + ... + 160193.

Almost surely, 2^2201211000 is an apocalyptic number.

2201211000 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 2201211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3939146640).

2201211000 is an abundant number, since it is smaller than the sum of its proper divisors (5677082280).

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

2201211000 is a wasteful number, since it uses less digits than its factorization.

2201211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14431 (or 14414 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2201211000 is about 46917.0651256022. The cubic root of 2201211000 is about 1300.8300419027.

Adding to 2201211000 its reverse (1121022), we get a palindrome (2202332022).

The spelling of 2201211000 in words is "two billion, two hundred one million, two hundred eleven thousand".