110332002421 has 2 divisors, whose sum is σ = 110332002422. Its totient is φ = 110332002420.

The previous prime is 110332002419. The next prime is 110332002457. The reversal of 110332002421 is 124200233011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85983832900 + 24348169521 = 293230^2 + 156039^2 .

It is a cyclic number.

It is not a de Polignac number, because 110332002421 - 2¹ = 110332002419 is a prime.

It is a super-2 number, since 2×110332002421² (a number of 23 digits) contains 22 as substring.

Together with 110332002419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110332002721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55166001210 + 55166001211.

It is an arithmetic number, because the mean of its divisors is an integer number (55166001211).

Almost surely, 2^110332002421 is an apocalyptic number.

It is an amenable number.

110332002421 is a deficient number, since it is larger than the sum of its proper divisors (1).

110332002421 is an equidigital number, since it uses as much as digits as its factorization.

110332002421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 110332002421 its reverse (124200233011), we get a palindrome (234532235432).

The spelling of 110332002421 in words is "one hundred ten billion, three hundred thirty-two million, two thousand, four hundred twenty-one".