10101112222111 has 4 divisors (see below), whose sum is σ = 10190502595872. Its totient is φ = 10011721848352.

The previous prime is 10101112222109. The next prime is 10101112222169. The reversal of 10101112222111 is 11122221110101.

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 10101112222111 - 2¹ = 10101112222109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101112229111) 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, 44695186711 + ... + 44695186936.

It is an arithmetic number, because the mean of its divisors is an integer number (2547625648968).

Almost surely, 2^{10101112222111} is an apocalyptic number.

10101112222111 is a deficient number, since it is larger than the sum of its proper divisors (89390373761).

10101112222111 is an equidigital number, since it uses as much as digits as its factorization.

10101112222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89390373760.

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

Adding to 10101112222111 its reverse (11122221110101), we get a palindrome (21223333332212).

The spelling of 10101112222111 in words is "ten trillion, one hundred one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred eleven".