10110111012121 has 4 divisors (see below), whose sum is σ = 10345229872912. Its totient is φ = 9874992151332.

The previous prime is 10110111012049. The next prime is 10110111012139. The reversal of 10110111012121 is 12121011101101.

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 a de Polignac number, because none of the positive numbers 2^k-10110111012121 is a prime.

It is a super-2 number, since 2×10110111012121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10110111042121) 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, 117559430331 + ... + 117559430416.

It is an arithmetic number, because the mean of its divisors is an integer number (2586307468228).

Almost surely, 2^{10110111012121} is an apocalyptic number.

It is an amenable number.

10110111012121 is a deficient number, since it is larger than the sum of its proper divisors (235118860791).

10110111012121 is an equidigital number, since it uses as much as digits as its factorization.

10110111012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235118860790.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10110111012121 its reverse (12121011101101), we get a palindrome (22231122113222).

The spelling of 10110111012121 in words is "ten trillion, one hundred ten billion, one hundred eleven million, twelve thousand, one hundred twenty-one".