221110102002 has 8 divisors (see below), whose sum is σ = 442220204016. Its totient is φ = 73703367332.

The previous prime is 221110101941. The next prime is 221110102009. The reversal of 221110102002 is 200201011122.

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

221110102002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (221110102009) 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, 18425841828 + ... + 18425841839.

It is an arithmetic number, because the mean of its divisors is an integer number (55277525502).

Almost surely, 2^221110102002 is an apocalyptic number.

221110102002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221110102002 is a wasteful number, since it uses less digits than its factorization.

221110102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36851683672.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221110102002 its reverse (200201011122), we get a palindrome (421311113124).

The spelling of 221110102002 in words is "two hundred twenty-one billion, one hundred ten million, one hundred two thousand, two".