221106102 has 32 divisors (see below), whose sum is σ = 507969792. Its totient is φ = 62850144.

The previous prime is 221106101. The next prime is 221106133. The reversal of 221106102 is 201601122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221106101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5088 + ... + 21635.

It is an arithmetic number, because the mean of its divisors is an integer number (15874056).

Almost surely, 2^221106102 is an apocalyptic number.

221106102 is an abundant number, since it is smaller than the sum of its proper divisors (286863690).

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

221106102 is a wasteful number, since it uses less digits than its factorization.

221106102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26932.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 221106102 is about 14869.6369155403. The cubic root of 221106102 is about 604.6910992808.

Adding to 221106102 its reverse (201601122), we get a palindrome (422707224).

The spelling of 221106102 in words is "two hundred twenty-one million, one hundred six thousand, one hundred two".