221220200120102 has 8 divisors (see below), whose sum is σ = 331830376558200. Its totient is φ = 110610074600704.

The previous prime is 221220200120089. The next prime is 221220200120113. The reversal of 221220200120102 is 201021002022122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165049 + ... + 21066507.

It is an arithmetic number, because the mean of its divisors is an integer number (41478797069775).

Almost surely, 2^{221220200120102} is an apocalyptic number.

221220200120102 is a deficient number, since it is larger than the sum of its proper divisors (110610176438098).

221220200120102 is a wasteful number, since it uses less digits than its factorization.

221220200120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25459350.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221220200120102 its reverse (201021002022122), we get a palindrome (422241202142224).

The spelling of 221220200120102 in words is "two hundred twenty-one trillion, two hundred twenty billion, two hundred million, one hundred twenty thousand, one hundred two".