111000021121222 has 16 divisors (see below), whose sum is σ = 167663418464880. Its totient is φ = 55113472003168.

The previous prime is 111000021121183. The next prime is 111000021121273. The reversal of 111000021121222 is 222121120000111.

It is a junction number, because it is equal to n+sod(n) for n = 111000021121196 and 111000021121205.

It is a congruent number.

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, 314082313 + ... + 314435524.

It is an arithmetic number, because the mean of its divisors is an integer number (10478963654055).

Almost surely, 2^{111000021121222} is an apocalyptic number.

111000021121222 is a deficient number, since it is larger than the sum of its proper divisors (56663397343658).

111000021121222 is a wasteful number, since it uses less digits than its factorization.

111000021121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628518455.

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

Adding to 111000021121222 its reverse (222121120000111), we get a palindrome (333121141121333).

The spelling of 111000021121222 in words is "one hundred eleven trillion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".