421101111223 has 8 divisors (see below), whose sum is σ = 457653996800. Its totient is φ = 385142581728.

The previous prime is 421101111199. The next prime is 421101111247. The reversal of 421101111223 is 322111101124.

It is an interprime number because it is at equal distance from previous prime (421101111199) and next prime (421101111247).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421101111223 is a prime.

It is a super-2 number, since 2×421101111223² (a number of 24 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 421101111223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421101111253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148587543 + ... + 148590376.

It is an arithmetic number, because the mean of its divisors is an integer number (57206749600).

Almost surely, 2^421101111223 is an apocalyptic number.

421101111223 is a deficient number, since it is larger than the sum of its proper divisors (36552885577).

421101111223 is a wasteful number, since it uses less digits than its factorization.

421101111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297178041.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 421101111223 its reverse (322111101124), we get a palindrome (743212212347).

The spelling of 421101111223 in words is "four hundred twenty-one billion, one hundred one million, one hundred eleven thousand, two hundred twenty-three".