110212022100021 has 16 divisors (see below), whose sum is σ = 153365166145536. Its totient is φ = 70267892252976.

The previous prime is 110212022099987. The next prime is 110212022100107. The reversal of 110212022100021 is 120001220212011.

It is not a de Polignac number, because 110212022100021 - 2¹⁵ = 110212022067253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212022100221) 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 15 ways as a sum of consecutive naturals, for example, 138666565 + ... + 139459098.

It is an arithmetic number, because the mean of its divisors is an integer number (9585322884096).

Almost surely, 2^{110212022100021} is an apocalyptic number.

It is an amenable number.

110212022100021 is a deficient number, since it is larger than the sum of its proper divisors (43153144045515).

110212022100021 is a wasteful number, since it uses less digits than its factorization.

110212022100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278131432.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110212022100021 its reverse (120001220212011), we get a palindrome (230213242312032).

The spelling of 110212022100021 in words is "one hundred ten trillion, two hundred twelve billion, twenty-two million, one hundred thousand, twenty-one".