1002211211000 has 32 divisors (see below), whose sum is σ = 2345174236080. Its totient is φ = 400884484000.

The previous prime is 1002211210981. The next prime is 1002211211009. The reversal of 1002211211000 is 1121122001.

It is a super-2 number, since 2×1002211211000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002211211009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501104606 + ... + 501106605.

Almost surely, 2^{1002211211000} is an apocalyptic number.

1002211211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002211211000 is an abundant number, since it is smaller than the sum of its proper divisors (1342963025080).

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

1002211211000 is a wasteful number, since it uses less digits than its factorization.

1002211211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002211232 (or 1002211218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002211211000 its reverse (1121122001), we get a palindrome (1003332333001).

The spelling of 1002211211000 in words is "one trillion, two billion, two hundred eleven million, two hundred eleven thousand".