10011021121 has 8 divisors (see below), whose sum is σ = 10116183744. Its totient is φ = 9905977200.

The previous prime is 10011021107. The next prime is 10011021151. The reversal of 10011021121 is 12112011001.

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 10011021121 - 2²³ = 10002632513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011021098 and 10011021107.

It is not an unprimeable number, because it can be changed into a prime (10011021151) 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, 145260 + ... + 202786.

It is an arithmetic number, because the mean of its divisors is an integer number (1264522968).

Almost surely, 2^10011021121 is an apocalyptic number.

It is an amenable number.

10011021121 is a deficient number, since it is larger than the sum of its proper divisors (105162623).

10011021121 is a wasteful number, since it uses less digits than its factorization.

10011021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59351.

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

Adding to 10011021121 its reverse (12112011001), we get a palindrome (22123032122).

The spelling of 10011021121 in words is "ten billion, eleven million, twenty-one thousand, one hundred twenty-one".