221010101110 has 8 divisors (see below), whose sum is σ = 397818182016. Its totient is φ = 88404040440.

The previous prime is 221010101089. The next prime is 221010101183. The reversal of 221010101110 is 11101010122.

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

It is a super-3 number, since 3×221010101110³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 22101010111 = 221010101110 / (2 + 2 + 1 + 0 + 1 + 0 + 1 + 0 + 1 + 1 + 1 + 0).

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, 11050505046 + ... + 11050505065.

It is an arithmetic number, because the mean of its divisors is an integer number (49727272752).

Almost surely, 2^221010101110 is an apocalyptic number.

221010101110 is a deficient number, since it is larger than the sum of its proper divisors (176808080906).

221010101110 is a wasteful number, since it uses less digits than its factorization.

221010101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22101010118.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 221010101110 its reverse (11101010122), we get a palindrome (232111111232).

The spelling of 221010101110 in words is "two hundred twenty-one billion, ten million, one hundred one thousand, one hundred ten".