1243430111022 has 16 divisors (see below), whose sum is σ = 2712938424192. Its totient is φ = 376797003320.

The previous prime is 1243430110999. The next prime is 1243430111051. The reversal of 1243430111022 is 2201110343421.

It is a super-2 number, since 2×1243430111022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243430110983 and 1243430111001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9419925018 + ... + 9419925149.

It is an arithmetic number, because the mean of its divisors is an integer number (169558651512).

Almost surely, 2^{1243430111022} is an apocalyptic number.

1243430111022 is an abundant number, since it is smaller than the sum of its proper divisors (1469508313170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243430111022 is a wasteful number, since it uses less digits than its factorization.

1243430111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18839850183.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1243430111022 its reverse (2201110343421), we get a palindrome (3444540454443).

The spelling of 1243430111022 in words is "one trillion, two hundred forty-three billion, four hundred thirty million, one hundred eleven thousand, twenty-two".