221400233102 has 4 divisors (see below), whose sum is σ = 332100349656. Its totient is φ = 110700116550.

The previous prime is 221400233081. The next prime is 221400233107. The reversal of 221400233102 is 201332004122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221400233107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55350058274 + ... + 55350058277.

It is an arithmetic number, because the mean of its divisors is an integer number (83025087414).

Almost surely, 2^221400233102 is an apocalyptic number.

221400233102 is a deficient number, since it is larger than the sum of its proper divisors (110700116554).

221400233102 is a wasteful number, since it uses less digits than its factorization.

221400233102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110700116553.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 221400233102 its reverse (201332004122), we get a palindrome (422732237224).

The spelling of 221400233102 in words is "two hundred twenty-one billion, four hundred million, two hundred thirty-three thousand, one hundred two".