10221112210111 has 4 divisors (see below), whose sum is σ = 11150304229224. Its totient is φ = 9291920191000.

The previous prime is 10221112210079. The next prime is 10221112210139. The reversal of 10221112210111 is 11101221112201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10221112210111 - 2⁵ = 10221112210079 is a prime.

It is a super-2 number, since 2×10221112210111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221112210171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464596009540 + ... + 464596009561.

It is an arithmetic number, because the mean of its divisors is an integer number (2787576057306).

Almost surely, 2^{10221112210111} is an apocalyptic number.

10221112210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221112210111 is a deficient number, since it is larger than the sum of its proper divisors (929192019113).

10221112210111 is an equidigital number, since it uses as much as digits as its factorization.

10221112210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929192019112.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 10221112210111 its reverse (11101221112201), we get a palindrome (21322333322312).

The spelling of 10221112210111 in words is "ten trillion, two hundred twenty-one billion, one hundred twelve million, two hundred ten thousand, one hundred eleven".