102232133021 has 2 divisors, whose sum is σ = 102232133022. Its totient is φ = 102232133020.

The previous prime is 102232132991. The next prime is 102232133041. The reversal of 102232133021 is 120331232201.

It is an a-pointer prime, because the next prime (102232133041) can be obtained adding 102232133021 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101738671225 + 493461796 = 318965^2 + 22214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102232133021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102232132984 and 102232133002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102232133041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51116066510 + 51116066511.

It is an arithmetic number, because the mean of its divisors is an integer number (51116066511).

Almost surely, 2^102232133021 is an apocalyptic number.

It is an amenable number.

102232133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102232133021 is an equidigital number, since it uses as much as digits as its factorization.

102232133021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102232133021 its reverse (120331232201), we get a palindrome (222563365222).

The spelling of 102232133021 in words is "one hundred two billion, two hundred thirty-two million, one hundred thirty-three thousand, twenty-one".