21113222220110 has 8 divisors (see below), whose sum is σ = 38003799996216. Its totient is φ = 8445288888040.

The previous prime is 21113222220047. The next prime is 21113222220121. The reversal of 21113222220110 is 1102222231112.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055661110996 + ... + 1055661111015.

It is an arithmetic number, because the mean of its divisors is an integer number (4750474999527).

Almost surely, 2^{21113222220110} is an apocalyptic number.

21113222220110 is a deficient number, since it is larger than the sum of its proper divisors (16890577776106).

21113222220110 is a wasteful number, since it uses less digits than its factorization.

21113222220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111322222018.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21113222220110 its reverse (1102222231112), we get a palindrome (22215444451222).

The spelling of 21113222220110 in words is "twenty-one trillion, one hundred thirteen billion, two hundred twenty-two million, two hundred twenty thousand, one hundred ten".