1110001210121 has 4 divisors (see below), whose sum is σ = 1111528035072. Its totient is φ = 1108474385172.

The previous prime is 1110001210103. The next prime is 1110001210189. The reversal of 1110001210121 is 1210121000111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1110001210121 - 2²² = 1109997015817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1110001212121) 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, 763411385 + ... + 763412838.

It is an arithmetic number, because the mean of its divisors is an integer number (277882008768).

Almost surely, 2^{1110001210121} is an apocalyptic number.

It is an amenable number.

1110001210121 is a deficient number, since it is larger than the sum of its proper divisors (1526824951).

1110001210121 is an equidigital number, since it uses as much as digits as its factorization.

1110001210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526824950.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1110001210121 its reverse (1210121000111), we get a palindrome (2320122210232).

The spelling of 1110001210121 in words is "one trillion, one hundred ten billion, one million, two hundred ten thousand, one hundred twenty-one".