403111223121 has 8 divisors (see below), whose sum is σ = 540588461760. Its totient is φ = 267187399952.

The previous prime is 403111223093. The next prime is 403111223197. The reversal of 403111223121 is 121322111304.

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 403111223121 - 2⁶ = 403111223057 is a prime.

It is a super-2 number, since 2×403111223121² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403111223821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388353261 + ... + 388354298.

It is an arithmetic number, because the mean of its divisors is an integer number (67573557720).

Almost surely, 2^403111223121 is an apocalyptic number.

It is an amenable number.

403111223121 is a deficient number, since it is larger than the sum of its proper divisors (137477238639).

403111223121 is a wasteful number, since it uses less digits than its factorization.

403111223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776707735.

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

Adding to 403111223121 its reverse (121322111304), we get a palindrome (524433334425).

The spelling of 403111223121 in words is "four hundred three billion, one hundred eleven million, two hundred twenty-three thousand, one hundred twenty-one".