101111100123 has 32 divisors (see below), whose sum is σ = 147526778880. Its totient is φ = 61089668640.

The previous prime is 101111100109. The next prime is 101111100133. The reversal of 101111100123 is 321001111101.

It is not a de Polignac number, because 101111100123 - 2⁹ = 101111099611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101111100099 and 101111100108.

It is not an unprimeable number, because it can be changed into a prime (101111100133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24309318 + ... + 24313476.

It is an arithmetic number, because the mean of its divisors is an integer number (4610211840).

Almost surely, 2^101111100123 is an apocalyptic number.

101111100123 is a deficient number, since it is larger than the sum of its proper divisors (46415678757).

101111100123 is a wasteful number, since it uses less digits than its factorization.

101111100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 101111100123 its reverse (321001111101), we get a palindrome (422112211224).

The spelling of 101111100123 in words is "one hundred one billion, one hundred eleven million, one hundred thousand, one hundred twenty-three".