12101223101 has 64 divisors (see below), whose sum is σ = 15023232000. Its totient is φ = 9605329920.

The previous prime is 12101223097. The next prime is 12101223133. The reversal of 12101223101 is 10132210121.

It is not a de Polignac number, because 12101223101 - 2² = 12101223097 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 (12101223161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52843655 + ... + 52843883.

It is an arithmetic number, because the mean of its divisors is an integer number (234738000).

Almost surely, 2^12101223101 is an apocalyptic number.

12101223101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12101223101 is a deficient number, since it is larger than the sum of its proper divisors (2922008899).

12101223101 is a wasteful number, since it uses less digits than its factorization.

12101223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12101223101 its reverse (10132210121), we get a palindrome (22233433222).

The spelling of 12101223101 in words is "twelve billion, one hundred one million, two hundred twenty-three thousand, one hundred one".