143343101111021 has 6 divisors (see below), whose sum is σ = 166746056394510. Its totient is φ = 122865515237976.

The previous prime is 143343101111003. The next prime is 143343101111039. The reversal of 143343101111021 is 120111101343341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (143343101111003) and next prime (143343101111039).

It can be written as a sum of positive squares in only one way, i.e., 142749661988521 + 593439122500 = 11947789^2 + 770350^2 .

It is a de Polignac number, because none of the positive numbers 2^k-143343101111021 is a prime.

It is a super-2 number, since 2×143343101111021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143343101711021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1462684705166 + ... + 1462684705263.

It is an arithmetic number, because the mean of its divisors is an integer number (27791009399085).

Almost surely, 2^{143343101111021} is an apocalyptic number.

It is an amenable number.

143343101111021 is a deficient number, since it is larger than the sum of its proper divisors (23402955283489).

143343101111021 is an equidigital number, since it uses as much as digits as its factorization.

143343101111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925369410443 (or 2925369410436 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 143343101111021 its reverse (120111101343341), we get a palindrome (263454202454362).

The spelling of 143343101111021 in words is "one hundred forty-three trillion, three hundred forty-three billion, one hundred one million, one hundred eleven thousand, twenty-one".