111121112100122 has 8 divisors (see below), whose sum is σ = 166840563928500. Its totient is φ = 55507590790624.

The previous prime is 111121112100121. The next prime is 111121112100127. The reversal of 111121112100122 is 221001211121111.

It can be written as a sum of positive squares in 2 ways, for example, as 110398120716601 + 722991383521 = 10507051^2 + 850289^2 .

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

It is a super-2 number, since 2×111121112100122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111121112100122.

It is not an unprimeable number, because it can be changed into a prime (111121112100121) 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, 26482627097 + ... + 26482631292.

Almost surely, 2^{111121112100122} is an apocalyptic number.

111121112100122 is a deficient number, since it is larger than the sum of its proper divisors (55719451828378).

111121112100122 is a wasteful number, since it uses less digits than its factorization.

111121112100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52965259440.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111121112100122 its reverse (221001211121111), we get a palindrome (332122323221233).

The spelling of 111121112100122 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".