111220101022002 has 128 divisors (see below), whose sum is σ = 266253605535744. Its totient is φ = 30283091707968.

The previous prime is 111220101021977. The next prime is 111220101022013. The reversal of 111220101022002 is 200220101022111.

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, 285363553 + ... + 285753035.

It is an arithmetic number, because the mean of its divisors is an integer number (2080106293248).

Almost surely, 2^{111220101022002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111220101022002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133126802767872).

111220101022002 is an abundant number, since it is smaller than the sum of its proper divisors (155033504513742).

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

111220101022002 is a wasteful number, since it uses less digits than its factorization.

111220101022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390612.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111220101022002 its reverse (200220101022111), we get a palindrome (311440202044113).

The spelling of 111220101022002 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred one million, twenty-two thousand, two".