221232020102 has 8 divisors (see below), whose sum is σ = 331855354512. Its totient is φ = 110613568600.

The previous prime is 221232020101. The next prime is 221232020147. The reversal of 221232020102 is 201020232122.

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 (221232020101) 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, 1105274 + ... + 1289997.

It is an arithmetic number, because the mean of its divisors is an integer number (41481919314).

Almost surely, 2^221232020102 is an apocalyptic number.

221232020102 is a deficient number, since it is larger than the sum of its proper divisors (110623334410).

221232020102 is a wasteful number, since it uses less digits than its factorization.

221232020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441454.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221232020102 its reverse (201020232122), we get a palindrome (422252252224).

It can be divided in two parts, 221232020 and 102, that added together give a palindrome (221232122).

The spelling of 221232020102 in words is "two hundred twenty-one billion, two hundred thirty-two million, twenty thousand, one hundred two".