221010011312 has 10 divisors (see below), whose sum is σ = 428206896948. Its totient is φ = 110505005648.

The previous prime is 221010011311. The next prime is 221010011353. The reversal of 221010011312 is 213110010122.

It is a super-2 number, since 2×221010011312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221010011311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906562838 + ... + 6906562869.

Almost surely, 2^221010011312 is an apocalyptic number.

It is an amenable number.

221010011312 is a deficient number, since it is larger than the sum of its proper divisors (207196885636).

221010011312 is a wasteful number, since it uses less digits than its factorization.

221010011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813125715 (or 13813125709 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 221010011312 its reverse (213110010122), we get a palindrome (434120021434).

The spelling of 221010011312 in words is "two hundred twenty-one billion, ten million, eleven thousand, three hundred twelve".