221034102 has 64 divisors (see below), whose sum is σ = 479084544. Its totient is φ = 67737600.

The previous prime is 221034097. The next prime is 221034103. The reversal of 221034102 is 201430122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221034103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1463727 + ... + 1463877.

It is an arithmetic number, because the mean of its divisors is an integer number (7485696).

Almost surely, 2^221034102 is an apocalyptic number.

221034102 is an abundant number, since it is smaller than the sum of its proper divisors (258050442).

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

221034102 is a wasteful number, since it uses less digits than its factorization.

221034102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 221034102 is about 14867.2156774562. The cubic root of 221034102 is about 604.6254558553.

Adding to 221034102 its reverse (201430122), we get a palindrome (422464224).

The spelling of 221034102 in words is "two hundred twenty-one million, thirty-four thousand, one hundred two".