10012011121 has 8 divisors (see below), whose sum is σ = 11443175360. Its totient is φ = 8581066128.

The previous prime is 10012011109. The next prime is 10012011133. The reversal of 10012011121 is 12111021001.

It is an interprime number because it is at equal distance from previous prime (10012011109) and next prime (10012011133).

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 10012011121 - 2⁵ = 10012011089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012011098 and 10012011107.

It is not an unprimeable number, because it can be changed into a prime (10012011151) 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, 58735 + ... + 153211.

It is an arithmetic number, because the mean of its divisors is an integer number (1430396920).

Almost surely, 2^10012011121 is an apocalyptic number.

It is an amenable number.

10012011121 is a deficient number, since it is larger than the sum of its proper divisors (1431164239).

10012011121 is an equidigital number, since it uses as much as digits as its factorization.

10012011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109623.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10012011121 its reverse (12111021001), we get a palindrome (22123032122).

The spelling of 10012011121 in words is "ten billion, twelve million, eleven thousand, one hundred twenty-one".