1002200111000 has 128 divisors (see below), whose sum is σ = 2571743416320. Its totient is φ = 362527600000.

The previous prime is 1002200110973. The next prime is 1002200111023. The reversal of 1002200111000 is 1110022001.

1002200111000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1862495 + ... + 2339505.

It is an arithmetic number, because the mean of its divisors is an integer number (20091745440).

Almost surely, 2^{1002200111000} is an apocalyptic number.

1002200111000 is a gapful number since it is divisible by the number (10) 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 1002200111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285871708160).

1002200111000 is an abundant number, since it is smaller than the sum of its proper divisors (1569543305320).

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

1002200111000 is a wasteful number, since it uses less digits than its factorization.

1002200111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477234 (or 477220 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1002200111000 its reverse (1110022001), we get a palindrome (1003310133001).

It can be divided in two parts, 10022001 and 11000, that added together give a palindrome (10033001).

The spelling of 1002200111000 in words is "one trillion, two billion, two hundred million, one hundred eleven thousand".