221002101110102 has 16 divisors (see below), whose sum is σ = 357417071303040. Its totient is φ = 101882776256832.

The previous prime is 221002101110069. The next prime is 221002101110123. The reversal of 221002101110102 is 201011101200122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4924705727 + ... + 4924750602.

It is an arithmetic number, because the mean of its divisors is an integer number (22338566956440).

Almost surely, 2^{221002101110102} is an apocalyptic number.

221002101110102 is a deficient number, since it is larger than the sum of its proper divisors (136414970192938).

221002101110102 is a wasteful number, since it uses less digits than its factorization.

221002101110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849457207.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221002101110102 its reverse (201011101200122), we get a palindrome (422013202310224).

The spelling of 221002101110102 in words is "two hundred twenty-one trillion, two billion, one hundred one million, one hundred ten thousand, one hundred two".