235221421102 has 16 divisors (see below), whose sum is σ = 359617892832. Its totient is φ = 115365607840.

The previous prime is 235221421063. The next prime is 235221421109. The reversal of 235221421102 is 201124122532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235221421109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4176313 + ... + 4232260.

It is an arithmetic number, because the mean of its divisors is an integer number (22476118302).

Almost surely, 2^235221421102 is an apocalyptic number.

235221421102 is a deficient number, since it is larger than the sum of its proper divisors (124396471730).

235221421102 is a wasteful number, since it uses less digits than its factorization.

235221421102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8408843.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 235221421102 its reverse (201124122532), we get a palindrome (436345543634).

The spelling of 235221421102 in words is "two hundred thirty-five billion, two hundred twenty-one million, four hundred twenty-one thousand, one hundred two".