1222201000043 has 2 divisors, whose sum is σ = 1222201000044. Its totient is φ = 1222201000042.

The previous prime is 1222201000021. The next prime is 1222201000061. The reversal of 1222201000043 is 3400001022221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3400001022221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222201000043 - 2¹² = 1222200995947 is a prime.

It is a super-2 number, since 2×1222201000043² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222200999985 and 1222201000030.

It is not a weakly prime, because it can be changed into another prime (1222201000073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611100500021 + 611100500022.

It is an arithmetic number, because the mean of its divisors is an integer number (611100500022).

Almost surely, 2^{1222201000043} is an apocalyptic number.

1222201000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222201000043 is an equidigital number, since it uses as much as digits as its factorization.

1222201000043 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 17.

Adding to 1222201000043 its reverse (3400001022221), we get a palindrome (4622202022264).

The spelling of 1222201000043 in words is "one trillion, two hundred twenty-two billion, two hundred one million, forty-three", and thus it is an aban number.