101321122121230 has 48 divisors (see below), whose sum is σ = 205127075249712. Its totient is φ = 35987206147200.

The previous prime is 101321122121189. The next prime is 101321122121239. The reversal of 101321122121230 is 32121221123101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321122121239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973627791 + ... + 973731850.

It is an arithmetic number, because the mean of its divisors is an integer number (4273480734369).

Almost surely, 2^{101321122121230} is an apocalyptic number.

101321122121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101321122121230 is an abundant number, since it is smaller than the sum of its proper divisors (103805953128482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101321122121230 is a wasteful number, since it uses less digits than its factorization.

101321122121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947359713 (or 1947359702 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 101321122121230 its reverse (32121221123101), we get a palindrome (133442343244331).

The spelling of 101321122121230 in words is "one hundred one trillion, three hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred thirty".