221101102 has 8 divisors (see below), whose sum is σ = 331948800. Its totient is φ = 110451504.

The previous prime is 221101091. The next prime is 221101117. The reversal of 221101102 is 201101122.

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

It is a super-2 number, since 2×221101102² = 97771394611228808, which contains 22 as substring.

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, 46702 + ... + 51217.

It is an arithmetic number, because the mean of its divisors is an integer number (41493600).

Almost surely, 2^221101102 is an apocalyptic number.

221101102 is a deficient number, since it is larger than the sum of its proper divisors (110847698).

221101102 is a wasteful number, since it uses less digits than its factorization.

221101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99050.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 221101102 is about 14869.4687867455. The cubic root of 221101102 is about 604.6865411701.

Adding to 221101102 its reverse (201101122), we get a palindrome (422202224).

The spelling of 221101102 in words is "two hundred twenty-one million, one hundred one thousand, one hundred two".