10112011221 has 8 divisors (see below), whose sum is σ = 14519811040. Its totient is φ = 6222776112.

The previous prime is 10112011207. The next prime is 10112011253. The reversal of 10112011221 is 12211021101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10112011221 - 2¹³ = 10112003029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112011197 and 10112011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112011201) 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, 129641131 + ... + 129641208.

It is an arithmetic number, because the mean of its divisors is an integer number (1814976380).

Almost surely, 2^10112011221 is an apocalyptic number.

It is an amenable number.

10112011221 is a deficient number, since it is larger than the sum of its proper divisors (4407799819).

10112011221 is a wasteful number, since it uses less digits than its factorization.

10112011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259282355.

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

Adding to 10112011221 its reverse (12211021101), we get a palindrome (22323032322).

The spelling of 10112011221 in words is "ten billion, one hundred twelve million, eleven thousand, two hundred twenty-one".