2122101213123 has 8 divisors (see below), whose sum is σ = 2829920517648. Its totient is φ = 1414508025344.

The previous prime is 2122101213107. The next prime is 2122101213157. The reversal of 2122101213123 is 3213121012212.

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 2122101213123 - 2⁴ = 2122101213107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122101213123.

It is not an unprimeable number, because it can be changed into a prime (2122101213103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56507286 + ... + 56544827.

It is an arithmetic number, because the mean of its divisors is an integer number (353740064706).

Almost surely, 2^{2122101213123} is an apocalyptic number.

2122101213123 is a deficient number, since it is larger than the sum of its proper divisors (707819304525).

2122101213123 is a wasteful number, since it uses less digits than its factorization.

2122101213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113058373.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2122101213123 its reverse (3213121012212), we get a palindrome (5335222225335).

The spelling of 2122101213123 in words is "two trillion, one hundred twenty-two billion, one hundred one million, two hundred thirteen thousand, one hundred twenty-three".