213210001011123 has 12 divisors (see below), whose sum is σ = 313189831994520. Its totient is φ = 139730848119936.

The previous prime is 213210001011041. The next prime is 213210001011181. The reversal of 213210001011123 is 321110100012312.

It is not a de Polignac number, because 213210001011123 - 2²⁴ = 213209984233907 is a prime.

It is a super-3 number, since 3×213210001011123³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 213210001011096 and 213210001011105.

It is not an unprimeable number, because it can be changed into a prime (213210001016123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200762712286 + ... + 200762713347.

It is an arithmetic number, because the mean of its divisors is an integer number (26099152666210).

Almost surely, 2^{213210001011123} is an apocalyptic number.

213210001011123 is a deficient number, since it is larger than the sum of its proper divisors (99979830983397).

213210001011123 is a wasteful number, since it uses less digits than its factorization.

213210001011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401525425698 (or 401525425695 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 213210001011123 its reverse (321110100012312), we get a palindrome (534320101023435).

The spelling of 213210001011123 in words is "two hundred thirteen trillion, two hundred ten billion, one million, eleven thousand, one hundred twenty-three".