111420022 has 12 divisors (see below), whose sum is σ = 194416740. Its totient is φ = 47751396.

The previous prime is 111420019. The next prime is 111420097. The reversal of 111420022 is 220024111.

111420022 = T₂₁₀₈ + T₂₁₀₉ + ... + T₂₁₅₆.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111419984 and 111420011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568372 + ... + 568567.

It is an arithmetic number, because the mean of its divisors is an integer number (16201395).

Almost surely, 2^111420022 is an apocalyptic number.

111420022 is a deficient number, since it is larger than the sum of its proper divisors (82996718).

111420022 is a wasteful number, since it uses less digits than its factorization.

111420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136955 (or 1136948 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 111420022 is about 10555.5682935596. The cubic root of 111420022 is about 481.1949711184.

Adding to 111420022 its reverse (220024111), we get a palindrome (331444133).

The spelling of 111420022 in words is "one hundred eleven million, four hundred twenty thousand, twenty-two".