222011022211031 has 2 divisors, whose sum is σ = 222011022211032. Its totient is φ = 222011022211030.

The previous prime is 222011022210997. The next prime is 222011022211051. The reversal of 222011022211031 is 130112220110222.

It is an a-pointer prime, because the next prime (222011022211051) can be obtained adding 222011022211031 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222011022211031 is a prime.

It is a super-2 number, since 2×222011022211031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222011022210994 and 222011022211012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222011022211051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005511105515 + 111005511105516.

It is an arithmetic number, because the mean of its divisors is an integer number (111005511105516).

Almost surely, 2^{222011022211031} is an apocalyptic number.

222011022211031 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011022211031 is an equidigital number, since it uses as much as digits as its factorization.

222011022211031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 222011022211031 its reverse (130112220110222), we get a palindrome (352123242321253).

The spelling of 222011022211031 in words is "two hundred twenty-two trillion, eleven billion, twenty-two million, two hundred eleven thousand, thirty-one".