222200011121989 has 2 divisors, whose sum is σ = 222200011121990. Its totient is φ = 222200011121988.

The previous prime is 222200011121971. The next prime is 222200011122071. The reversal of 222200011121989 is 989121110002222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216999709428100 + 5200301693889 = 14730910^2 + 2280417^2 .

It is a cyclic number.

It is not a de Polignac number, because 222200011121989 - 2²³ = 222200002733381 is a prime.

It is a super-2 number, since 2×222200011121989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222200011121489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100005560994 + 111100005560995.

It is an arithmetic number, because the mean of its divisors is an integer number (111100005560995).

Almost surely, 2^{222200011121989} is an apocalyptic number.

It is an amenable number.

222200011121989 is a deficient number, since it is larger than the sum of its proper divisors (1).

222200011121989 is an equidigital number, since it uses as much as digits as its factorization.

222200011121989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 222200011121989 in words is "two hundred twenty-two trillion, two hundred billion, eleven million, one hundred twenty-one thousand, nine hundred eighty-nine".