111021120122 has 8 divisors (see below), whose sum is σ = 181670923872. Its totient is φ = 50464145500.

The previous prime is 111021120121. The next prime is 111021120127. The reversal of 111021120122 is 221021120111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111021120122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111021120097 and 111021120106.

It is not an unprimeable number, because it can be changed into a prime (111021120121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523207254 + ... + 2523207297.

It is an arithmetic number, because the mean of its divisors is an integer number (22708865484).

Almost surely, 2^111021120122 is an apocalyptic number.

111021120122 is a deficient number, since it is larger than the sum of its proper divisors (70649803750).

111021120122 is a wasteful number, since it uses less digits than its factorization.

111021120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046414564.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111021120122 its reverse (221021120111), we get a palindrome (332042240233).

The spelling of 111021120122 in words is "one hundred eleven billion, twenty-one million, one hundred twenty thousand, one hundred twenty-two".