110221311133021 has 16 divisors (see below), whose sum is σ = 128529545897088. Its totient is φ = 93506944748800.

The previous prime is 110221311132997. The next prime is 110221311133027. The reversal of 110221311133021 is 120331113122011.

It is not a de Polignac number, because 110221311133021 - 2⁹ = 110221311132509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110221311132983 and 110221311133001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221311133027) 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, 5312884216 + ... + 5312904961.

It is an arithmetic number, because the mean of its divisors is an integer number (8033096618568).

Almost surely, 2^{110221311133021} is an apocalyptic number.

110221311133021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110221311133021 is a deficient number, since it is larger than the sum of its proper divisors (18308234764067).

110221311133021 is a wasteful number, since it uses less digits than its factorization.

110221311133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625789252.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 110221311133021 its reverse (120331113122011), we get a palindrome (230552424255032).

The spelling of 110221311133021 in words is "one hundred ten trillion, two hundred twenty-one billion, three hundred eleven million, one hundred thirty-three thousand, twenty-one".