111222011002 has 16 divisors (see below), whose sum is σ = 170588799360. Its totient is φ = 54361941088.

The previous prime is 111222010997. The next prime is 111222011023. The reversal of 111222011002 is 200110222111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637627 + ... + 793102.

It is an arithmetic number, because the mean of its divisors is an integer number (10661799960).

Almost surely, 2^111222011002 is an apocalyptic number.

111222011002 is a deficient number, since it is larger than the sum of its proper divisors (59366788358).

111222011002 is a wasteful number, since it uses less digits than its factorization.

111222011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431605.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111222011002 its reverse (200110222111), we get a palindrome (311332233113).

The spelling of 111222011002 in words is "one hundred eleven billion, two hundred twenty-two million, eleven thousand, two".