101101222111 has 8 divisors (see below), whose sum is σ = 101262736640. Its totient is φ = 100939775832.

The previous prime is 101101222051. The next prime is 101101222127. The reversal of 101101222111 is 111222101101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101101222111 - 2²³ = 101092833503 is a prime.

It is a super-2 number, since 2×101101222111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101101222091 and 101101222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101222511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3520336 + ... + 3548938.

It is an arithmetic number, because the mean of its divisors is an integer number (12657842080).

Almost surely, 2^101101222111 is an apocalyptic number.

101101222111 is a deficient number, since it is larger than the sum of its proper divisors (161514529).

101101222111 is an equidigital number, since it uses as much as digits as its factorization.

101101222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34125.

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

Adding to 101101222111 its reverse (111222101101), we get a palindrome (212323323212).

The spelling of 101101222111 in words is "one hundred one billion, one hundred one million, two hundred twenty-two thousand, one hundred eleven".