110002201021421 has 2 divisors, whose sum is σ = 110002201021422. Its totient is φ = 110002201021420.

The previous prime is 110002201021409. The next prime is 110002201021459. The reversal of 110002201021421 is 124120102200011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83148610639396 + 26853590382025 = 9118586^2 + 5182045^2 .

It is an emirp because it is prime and its reverse (124120102200011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110002201021421 - 2³⁰ = 110001127279597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110002201021421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110002201221421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55001100510710 + 55001100510711.

It is an arithmetic number, because the mean of its divisors is an integer number (55001100510711).

Almost surely, 2^{110002201021421} is an apocalyptic number.

It is an amenable number.

110002201021421 is a deficient number, since it is larger than the sum of its proper divisors (1).

110002201021421 is an equidigital number, since it uses as much as digits as its factorization.

110002201021421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110002201021421 its reverse (124120102200011), we get a palindrome (234122303221432).

The spelling of 110002201021421 in words is "one hundred ten trillion, two billion, two hundred one million, twenty-one thousand, four hundred twenty-one".