1121110112121 has 8 divisors (see below), whose sum is σ = 1495946781120. Its totient is φ = 746840092272.

The previous prime is 1121110112081. The next prime is 1121110112123. The reversal of 1121110112121 is 1212110111211.

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

It is not a de Polignac number, because 1121110112121 - 2⁹ = 1121110111609 is a prime.

It is a super-2 number, since 2×1121110112121² (a number of 25 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 1121110112121.

It is not an unprimeable number, because it can be changed into a prime (1121110112123) 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, 141657670 + ... + 141665583.

It is an arithmetic number, because the mean of its divisors is an integer number (186993347640).

Almost surely, 2^{1121110112121} is an apocalyptic number.

It is an amenable number.

1121110112121 is a deficient number, since it is larger than the sum of its proper divisors (374836668999).

1121110112121 is a wasteful number, since it uses less digits than its factorization.

1121110112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283324575.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1121110112121 its reverse (1212110111211), we get a palindrome (2333220223332).

The spelling of 1121110112121 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-one".