222011000381 has 2 divisors, whose sum is σ = 222011000382. Its totient is φ = 222011000380.

The previous prime is 222011000311. The next prime is 222011000401. The reversal of 222011000381 is 183000110222.

222011000381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (222011000401) can be obtained adding 222011000381 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124630180900 + 97380819481 = 353030^2 + 312059^2 .

It is a cyclic number.

It is not a de Polignac number, because 222011000381 - 2²⁶ = 221943891517 is a prime.

It is a super-2 number, since 2×222011000381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222011000311) 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 as a sum of consecutive naturals, namely, 111005500190 + 111005500191.

It is an arithmetic number, because the mean of its divisors is an integer number (111005500191).

Almost surely, 2^222011000381 is an apocalyptic number.

It is an amenable number.

222011000381 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011000381 is an equidigital number, since it uses as much as digits as its factorization.

222011000381 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 222011000381 in words is "two hundred twenty-two billion, eleven million, three hundred eighty-one", and thus it is an aban number.