2211211211000 has 64 divisors (see below), whose sum is σ = 5644619192160. Its totient is φ = 804076800000.

The previous prime is 2211211210939. The next prime is 2211211211009. The reversal of 2211211211000 is 1121121122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211211211009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100498601 + ... + 100520600.

Almost surely, 2^{2211211211000} is an apocalyptic number.

2211211211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211211211000 is an abundant number, since it is smaller than the sum of its proper divisors (3433407981160).

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

2211211211000 is a wasteful number, since it uses less digits than its factorization.

2211211211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201019233 (or 201019219 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2211211211000 its reverse (1121121122), we get a palindrome (2212332332122).

The spelling of 2211211211000 in words is "two trillion, two hundred eleven billion, two hundred eleven million, two hundred eleven thousand".