110211022100021 has 16 divisors (see below), whose sum is σ = 114112822771200. Its totient is φ = 106330900737600.

The previous prime is 110211022099973. The next prime is 110211022100107. The reversal of 110211022100021 is 120001220112011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110211022100021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110211022099969 and 110211022100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211022102021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488608415 + ... + 488833923.

It is an arithmetic number, because the mean of its divisors is an integer number (7132051423200).

Almost surely, 2^{110211022100021} is an apocalyptic number.

It is an amenable number.

110211022100021 is a deficient number, since it is larger than the sum of its proper divisors (3901800671179).

110211022100021 is a wasteful number, since it uses less digits than its factorization.

110211022100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273500.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110211022100021 its reverse (120001220112011), we get a palindrome (230212242212032).

The spelling of 110211022100021 in words is "one hundred ten trillion, two hundred eleven billion, twenty-two million, one hundred thousand, twenty-one".