111110022221002 has 24 divisors (see below), whose sum is σ = 194052383795844. Its totient is φ = 47575172901312.

The previous prime is 111110022220997. The next prime is 111110022221021. The reversal of 111110022221002 is 200122220011111.

It can be written as a sum of positive squares in 2 ways, for example, as 108823306649281 + 2286715571721 = 10431841^2 + 1512189^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516654453 + ... + 516869464.

Almost surely, 2^{111110022221002} is an apocalyptic number.

111110022221002 is a deficient number, since it is larger than the sum of its proper divisors (82942361574842).

111110022221002 is a wasteful number, since it uses less digits than its factorization.

111110022221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033525030 (or 1033525023 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111110022221002 its reverse (200122220011111), we get a palindrome (311232242232113).

The spelling of 111110022221002 in words is "one hundred eleven trillion, one hundred ten billion, twenty-two million, two hundred twenty-one thousand, two".