1002221211000 has 64 divisors (see below), whose sum is σ = 3126930187680. Its totient is φ = 267258988800.

The previous prime is 1002221210983. The next prime is 1002221211023. The reversal of 1002221211000 is 1121222001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167033869 + ... + 167039868.

Almost surely, 2^{1002221211000} is an apocalyptic number.

1002221211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002221211000 is an abundant number, since it is smaller than the sum of its proper divisors (2124708976680).

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

1002221211000 is a wasteful number, since it uses less digits than its factorization.

1002221211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334073761 (or 334073747 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002221211000 its reverse (1121222001), we get a palindrome (1003342433001).

The spelling of 1002221211000 in words is "one trillion, two billion, two hundred twenty-one million, two hundred eleven thousand".