10011021219 has 6 divisors (see below), whose sum is σ = 14460363996. Its totient is φ = 6674014140.

The previous prime is 10011021211. The next prime is 10011021259. The reversal of 10011021219 is 91212011001.

It is a happy number.

It is not a de Polignac number, because 10011021219 - 2³ = 10011021211 is a prime.

It is a super-2 number, since 2×10011021219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10011021211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556167837 + ... + 556167854.

It is an arithmetic number, because the mean of its divisors is an integer number (2410060666).

Almost surely, 2^10011021219 is an apocalyptic number.

10011021219 is a deficient number, since it is larger than the sum of its proper divisors (4449342777).

10011021219 is a wasteful number, since it uses less digits than its factorization.

10011021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112335697 (or 1112335694 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 10011021219 in words is "ten billion, eleven million, twenty-one thousand, two hundred nineteen".