121110111101122 has 48 divisors (see below), whose sum is σ = 219588114211488. Its totient is φ = 49633676951040.

The previous prime is 121110111101101. The next prime is 121110111101207. The reversal of 121110111101122 is 221101111011121.

It is a super-2 number, since 2×121110111101122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121110111101096 and 121110111101105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378607503 + ... + 378927250.

It is an arithmetic number, because the mean of its divisors is an integer number (4574752379406).

Almost surely, 2^{121110111101122} is an apocalyptic number.

121110111101122 is a deficient number, since it is larger than the sum of its proper divisors (98478003110366).

121110111101122 is a wasteful number, since it uses less digits than its factorization.

121110111101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757534835 (or 757534822 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 121110111101122 its reverse (221101111011121), we get a palindrome (342211222112243).

Subtracting 121110111101122 from its reverse (221101111011121), we obtain a palindrome (99990999909999).

The spelling of 121110111101122 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred eleven million, one hundred one thousand, one hundred twenty-two".