2220022101989 has 2 divisors, whose sum is σ = 2220022101990. Its totient is φ = 2220022101988.

The previous prime is 2220022101931. The next prime is 2220022101991. The reversal of 2220022101989 is 9891012200222.

2220022101989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2100847324900 + 119174777089 = 1449430^2 + 345217^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220022101989 - 2³² = 2215727134693 is a prime.

It is a super-2 number, since 2×2220022101989² (a number of 25 digits) contains 22 as substring.

Together with 2220022101991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220022101589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110011050994 + 1110011050995.

It is an arithmetic number, because the mean of its divisors is an integer number (1110011050995).

Almost surely, 2^{2220022101989} is an apocalyptic number.

It is an amenable number.

2220022101989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220022101989 is an equidigital number, since it uses as much as digits as its factorization.

2220022101989 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 38.

The spelling of 2220022101989 in words is "two trillion, two hundred twenty billion, twenty-two million, one hundred one thousand, nine hundred eighty-nine".