1111200022002 has 128 divisors (see below), whose sum is σ = 2681695641600. Its totient is φ = 300249121536.

The previous prime is 1111200021979. The next prime is 1111200022151. The reversal of 1111200022002 is 2002200021111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19877863 + ... + 19933685.

It is an arithmetic number, because the mean of its divisors is an integer number (20950747200).

Almost surely, 2^{1111200022002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111200022002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340847820800).

1111200022002 is an abundant number, since it is smaller than the sum of its proper divisors (1570495619598).

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

1111200022002 is a wasteful number, since it uses less digits than its factorization.

1111200022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56200.

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

Adding to 1111200022002 its reverse (2002200021111), we get a palindrome (3113400043113).

The spelling of 1111200022002 in words is "one trillion, one hundred eleven billion, two hundred million, twenty-two thousand, two".