111121220122102 has 8 divisors (see below), whose sum is σ = 166682394236736. Its totient is φ = 55560422043192.

The previous prime is 111121220122069. The next prime is 111121220122111. The reversal of 111121220122102 is 201221022121111.

It is a happy number.

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

It is a super-2 number, since 2×111121220122102² (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 111121220122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93268998 + ... + 94452889.

It is an arithmetic number, because the mean of its divisors is an integer number (20835299279592).

Almost surely, 2^{111121220122102} is an apocalyptic number.

111121220122102 is a deficient number, since it is larger than the sum of its proper divisors (55561174114634).

111121220122102 is a wasteful number, since it uses less digits than its factorization.

111121220122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188017862.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111121220122102 its reverse (201221022121111), we get a palindrome (312342242243213).

The spelling of 111121220122102 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, one hundred two".