121110110100111 has 8 divisors (see below), whose sum is σ = 176160160145664. Its totient is φ = 73400066727320.

The previous prime is 121110110100101. The next prime is 121110110100127. The reversal of 121110110100111 is 111001011011121.

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

It is a cyclic number.

It is not a de Polignac number, because 121110110100111 - 2²² = 121110105905807 is a prime.

It is a super-2 number, since 2×121110110100111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110110100101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835001668151 + ... + 1835001668216.

It is an arithmetic number, because the mean of its divisors is an integer number (22020020018208).

Almost surely, 2^{121110110100111} is an apocalyptic number.

121110110100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121110110100111 is a deficient number, since it is larger than the sum of its proper divisors (55050050045553).

121110110100111 is a wasteful number, since it uses less digits than its factorization.

121110110100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670003336381.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 121110110100111 its reverse (111001011011121), we get a palindrome (232111121111232).

The spelling of 121110110100111 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred ten million, one hundred thousand, one hundred eleven".