143002101221 has 16 divisors (see below), whose sum is σ = 167368454400. Its totient is φ = 122130645840.

The previous prime is 143002101211. The next prime is 143002101259. The reversal of 143002101221 is 122101200341.

It is not a de Polignac number, because 143002101221 - 2³⁴ = 125822232037 is a prime.

It is a super-2 number, since 2×143002101221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143002101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143002101211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657545 + ... + 847566.

It is an arithmetic number, because the mean of its divisors is an integer number (10460528400).

Almost surely, 2^143002101221 is an apocalyptic number.

It is an amenable number.

143002101221 is a deficient number, since it is larger than the sum of its proper divisors (24366353179).

143002101221 is an equidigital number, since it uses as much as digits as its factorization.

143002101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505409 (or 1505395 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 143002101221 its reverse (122101200341), we get a palindrome (265103301562).

The spelling of 143002101221 in words is "one hundred forty-three billion, two million, one hundred one thousand, two hundred twenty-one".