221110220102 has 8 divisors (see below), whose sum is σ = 331669485000. Its totient is φ = 110553725104.

The previous prime is 221110220101. The next prime is 221110220131. The reversal of 221110220102 is 201022011122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110220101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479852 + ... + 820047.

It is an arithmetic number, because the mean of its divisors is an integer number (41458685625).

Almost surely, 2^221110220102 is an apocalyptic number.

221110220102 is a deficient number, since it is larger than the sum of its proper divisors (110559264898).

221110220102 is a wasteful number, since it uses less digits than its factorization.

221110220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384950.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221110220102 its reverse (201022011122), we get a palindrome (422132231224).

The spelling of 221110220102 in words is "two hundred twenty-one billion, one hundred ten million, two hundred twenty thousand, one hundred two".