100022101020221 has 2 divisors, whose sum is σ = 100022101020222. Its totient is φ = 100022101020220.

The previous prime is 100022101020211. The next prime is 100022101020313. The reversal of 100022101020221 is 122020101220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80158268203225 + 19863832816996 = 8953115^2 + 4456886^2 .

It is a cyclic number.

It is not a de Polignac number, because 100022101020221 - 2¹⁸ = 100022100758077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100022101020196 and 100022101020205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100022101020211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011050510110 + 50011050510111.

It is an arithmetic number, because the mean of its divisors is an integer number (50011050510111).

Almost surely, 2^{100022101020221} is an apocalyptic number.

It is an amenable number.

100022101020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100022101020221 is an equidigital number, since it uses as much as digits as its factorization.

100022101020221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100022101020221 its reverse (122020101220001), we get a palindrome (222042202240222).

The spelling of 100022101020221 in words is "one hundred trillion, twenty-two billion, one hundred one million, twenty thousand, two hundred twenty-one".