110022011221 has 8 divisors (see below), whose sum is σ = 117524815704. Its totient is φ = 102633753600.

The previous prime is 110022011149. The next prime is 110022011233. The reversal of 110022011221 is 122110220011.

It can be written as a sum of positive squares in 4 ways, for example, as 16316230225 + 93705780996 = 127735^2 + 306114^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110022011221 - 2⁷ = 110022011093 is a prime.

It is a super-2 number, since 2×110022011221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110022011251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28634730 + ... + 28638571.

It is an arithmetic number, because the mean of its divisors is an integer number (14690601963).

Almost surely, 2^110022011221 is an apocalyptic number.

It is an amenable number.

110022011221 is a deficient number, since it is larger than the sum of its proper divisors (7502804483).

110022011221 is a wasteful number, since it uses less digits than its factorization.

110022011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57273431.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110022011221 its reverse (122110220011), we get a palindrome (232132231232).

The spelling of 110022011221 in words is "one hundred ten billion, twenty-two million, eleven thousand, two hundred twenty-one".