10221111100012 has 12 divisors (see below), whose sum is σ = 18051044833360. Its totient is φ = 5063669719056.

The previous prime is 10221111100001. The next prime is 10221111100049. The reversal of 10221111100012 is 21000111112201.

It is a happy number.

It is a super-2 number, since 2×10221111100012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221111099965 and 10221111100001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11721457248 + ... + 11721458119.

Almost surely, 2^{10221111100012} is an apocalyptic number.

It is an amenable number.

10221111100012 is a deficient number, since it is larger than the sum of its proper divisors (7829933733348).

10221111100012 is a wasteful number, since it uses less digits than its factorization.

10221111100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23442915480 (or 23442915478 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10221111100012 its reverse (21000111112201), we get a palindrome (31221222212213).

The spelling of 10221111100012 in words is "ten trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thousand, twelve".