221002202020102 has 32 divisors (see below), whose sum is σ = 338645110003200. Its totient is φ = 108121732773600.

The previous prime is 221002202020099. The next prime is 221002202020121. The reversal of 221002202020102 is 201020202200122.

It is a super-2 number, since 2×221002202020102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8095601649 + ... + 8095628947.

It is an arithmetic number, because the mean of its divisors is an integer number (10582659687600).

Almost surely, 2^{221002202020102} is an apocalyptic number.

221002202020102 is a deficient number, since it is larger than the sum of its proper divisors (117642907983098).

221002202020102 is a wasteful number, since it uses less digits than its factorization.

221002202020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46716.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221002202020102 its reverse (201020202200122), we get a palindrome (422022404220224).

The spelling of 221002202020102 in words is "two hundred twenty-one trillion, two billion, two hundred two million, twenty thousand, one hundred two".