111020212222 has 16 divisors (see below), whose sum is σ = 168206738544. Its totient is φ = 54951480000.

The previous prime is 111020212217. The next prime is 111020212241. The reversal of 111020212222 is 222212020111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111020212196 and 111020212205.

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, 1285522 + ... + 1369162.

It is an arithmetic number, because the mean of its divisors is an integer number (10512921159).

Almost surely, 2^111020212222 is an apocalyptic number.

111020212222 is a deficient number, since it is larger than the sum of its proper divisors (57186526322).

111020212222 is a wasteful number, since it uses less digits than its factorization.

111020212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90315.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111020212222 its reverse (222212020111), we get a palindrome (333232232333).

The spelling of 111020212222 in words is "one hundred eleven billion, twenty million, two hundred twelve thousand, two hundred twenty-two".