1000110212121 has 16 divisors (see below), whose sum is σ = 1372210977600. Its totient is φ = 647445601728.

The previous prime is 1000110212113. The next prime is 1000110212149. The reversal of 1000110212121 is 1212120110001.

1000110212121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000110212121 - 2³ = 1000110212113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000110212097 and 1000110212106.

It is not an unprimeable number, because it can be changed into a prime (1000110212821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8794191 + ... + 8907188.

It is an arithmetic number, because the mean of its divisors is an integer number (85763186100).

Almost surely, 2^{1000110212121} is an apocalyptic number.

It is an amenable number.

1000110212121 is a deficient number, since it is larger than the sum of its proper divisors (372100765479).

1000110212121 is a wasteful number, since it uses less digits than its factorization.

1000110212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17701928.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1000110212121 its reverse (1212120110001), we get a palindrome (2212230322122).

The spelling of 1000110212121 in words is "one trillion, one hundred ten million, two hundred twelve thousand, one hundred twenty-one".