222011400421031 has 16 divisors (see below), whose sum is σ = 244930758031008. Its totient is φ = 199926963840000.

The previous prime is 222011400420991. The next prime is 222011400421039. The reversal of 222011400421031 is 130124004110222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222011400421031 is a prime.

It is a super-2 number, since 2×222011400421031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222011400420988 and 222011400421006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011400421039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4337855 + ... + 21513711.

It is an arithmetic number, because the mean of its divisors is an integer number (15308172376938).

Almost surely, 2^{222011400421031} is an apocalyptic number.

222011400421031 is a deficient number, since it is larger than the sum of its proper divisors (22919357609977).

222011400421031 is a wasteful number, since it uses less digits than its factorization.

222011400421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17200162.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 222011400421031 its reverse (130124004110222), we get a palindrome (352135404531253).

The spelling of 222011400421031 in words is "two hundred twenty-two trillion, eleven billion, four hundred million, four hundred twenty-one thousand, thirty-one".