221301102 has 16 divisors (see below), whose sum is σ = 482838912. Its totient is φ = 67060920.

The previous prime is 221301097. The next prime is 221301103. The reversal of 221301102 is 201103122.

221301102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221301103) 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, 1676458 + ... + 1676589.

It is an arithmetic number, because the mean of its divisors is an integer number (30177432).

Almost surely, 2^221301102 is an apocalyptic number.

221301102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221301102 is an abundant number, since it is smaller than the sum of its proper divisors (261537810).

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

221301102 is a wasteful number, since it uses less digits than its factorization.

221301102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353063.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 221301102 is about 14876.1924564050. The cubic root of 221301102 is about 604.8688120261.

Adding to 221301102 its reverse (201103122), we get a palindrome (422404224).

It can be divided in two parts, 22130 and 1102, that added together give a palindrome (23232).

The spelling of 221301102 in words is "two hundred twenty-one million, three hundred one thousand, one hundred two".