221301012212103 has 8 divisors (see below), whose sum is σ = 295233135493248. Its totient is φ = 147451448536184.

The previous prime is 221301012212057. The next prime is 221301012212129. The reversal of 221301012212103 is 301212210103122.

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

It is a cyclic number.

It is not a de Polignac number, because 221301012212103 - 2¹⁸ = 221301011949959 is a prime.

It is a super-2 number, since 2×221301012212103² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221301012212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221301012212153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20639895051 + ... + 20639905772.

It is an arithmetic number, because the mean of its divisors is an integer number (36904141936656).

Almost surely, 2^{221301012212103} is an apocalyptic number.

221301012212103 is a deficient number, since it is larger than the sum of its proper divisors (73932123281145).

221301012212103 is a wasteful number, since it uses less digits than its factorization.

221301012212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41279802613.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221301012212103 its reverse (301212210103122), we get a palindrome (522513222315225).

The spelling of 221301012212103 in words is "two hundred twenty-one trillion, three hundred one billion, twelve million, two hundred twelve thousand, one hundred three".