221121022220102 has 8 divisors (see below), whose sum is σ = 331761283651200. Its totient is φ = 110533927669704.

The previous prime is 221121022220041. The next prime is 221121022220117. The reversal of 221121022220102 is 201022220121122.

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

It is a super-3 number, since 3×221121022220102³ (a number of 44 digits) contains 333 as substring.

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, 13291709777 + ... + 13291726412.

It is an arithmetic number, because the mean of its divisors is an integer number (41470160456400).

Almost surely, 2^{221121022220102} is an apocalyptic number.

221121022220102 is a deficient number, since it is larger than the sum of its proper divisors (110640261431098).

221121022220102 is a wasteful number, since it uses less digits than its factorization.

221121022220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26583440350.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221121022220102 its reverse (201022220121122), we get a palindrome (422143242341224).

The spelling of 221121022220102 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, one hundred two".