123102112211 has 8 divisors (see below), whose sum is σ = 132902113344. Its totient is φ = 113349340800.

The previous prime is 123102112201. The next prime is 123102112213. The reversal of 123102112211 is 112211201321.

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 123102112211 - 2²² = 123097917907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123102112211.

It is not an unprimeable number, because it can be changed into a prime (123102112213) 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, 11802011 + ... + 11812436.

It is an arithmetic number, because the mean of its divisors is an integer number (16612764168).

Almost surely, 2^123102112211 is an apocalyptic number.

123102112211 is a deficient number, since it is larger than the sum of its proper divisors (9800001133).

123102112211 is a wasteful number, since it uses less digits than its factorization.

123102112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23614861.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 123102112211 its reverse (112211201321), we get a palindrome (235313313532).

The spelling of 123102112211 in words is "one hundred twenty-three billion, one hundred two million, one hundred twelve thousand, two hundred eleven".