101223100111 has 16 divisors (see below), whose sum is σ = 116859758400. Its totient is φ = 85882503168.

The previous prime is 101223100093. The next prime is 101223100129. The reversal of 101223100111 is 111001322101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101223100093) and next prime (101223100129).

It is not a de Polignac number, because 101223100111 - 2⁹ = 101223099599 is a prime.

It is a super-2 number, since 2×101223100111² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101223100091 and 101223100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223109111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525075 + ... + 691483.

It is an arithmetic number, because the mean of its divisors is an integer number (7303734900).

Almost surely, 2^101223100111 is an apocalyptic number.

101223100111 is a deficient number, since it is larger than the sum of its proper divisors (15636658289).

101223100111 is a wasteful number, since it uses less digits than its factorization.

101223100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167298.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101223100111 its reverse (111001322101), we get a palindrome (212224422212).

The spelling of 101223100111 in words is "one hundred one billion, two hundred twenty-three million, one hundred thousand, one hundred eleven".