110022222002021 has 6 divisors (see below), whose sum is σ = 127985033757510. Its totient is φ = 94304761715976.

The previous prime is 110022222001987. The next prime is 110022222002039. The reversal of 110022222002021 is 120200222220011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 107913888961921 + 2108333040100 = 10388161^2 + 1452010^2 .

It is not a de Polignac number, because 110022222002021 - 2²² = 110022217807717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110022222002041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122675734666 + ... + 1122675734763.

It is an arithmetic number, because the mean of its divisors is an integer number (21330838959585).

Almost surely, 2^{110022222002021} is an apocalyptic number.

It is an amenable number.

110022222002021 is a deficient number, since it is larger than the sum of its proper divisors (17962811755489).

110022222002021 is an equidigital number, since it uses as much as digits as its factorization.

110022222002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245351469443 (or 2245351469436 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 110022222002021 its reverse (120200222220011), we get a palindrome (230222444222032).

The spelling of 110022222002021 in words is "one hundred ten trillion, twenty-two billion, two hundred twenty-two million, two thousand, twenty-one".