102133123221221 has 8 divisors (see below), whose sum is σ = 107587543108800. Its totient is φ = 96686602568640.

The previous prime is 102133123221209. The next prime is 102133123221307. The reversal of 102133123221221 is 122122321331201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102133123221221 is a prime.

It is a super-2 number, since 2×102133123221221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102133123221821) 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, 1974782201 + ... + 1974833918.

It is an arithmetic number, because the mean of its divisors is an integer number (13448442888600).

Almost surely, 2^{102133123221221} is an apocalyptic number.

It is an amenable number.

102133123221221 is a deficient number, since it is larger than the sum of its proper divisors (5454419887579).

102133123221221 is a wasteful number, since it uses less digits than its factorization.

102133123221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949617499.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 102133123221221 its reverse (122122321331201), we get a palindrome (224255444552422).

The spelling of 102133123221221 in words is "one hundred two trillion, one hundred thirty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-one".