43010220121 has 16 divisors (see below), whose sum is σ = 47696983488. Its totient is φ = 38458201600.

The previous prime is 43010220101. The next prime is 43010220151. The reversal of 43010220121 is 12102201034.

It is a cyclic number.

It is not a de Polignac number, because 43010220121 - 2⁵ = 43010220089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43010220095 and 43010220104.

It is not an unprimeable number, because it can be changed into a prime (43010220101) 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, 30765 + ... + 294901.

It is an arithmetic number, because the mean of its divisors is an integer number (2981061468).

Almost surely, 2^43010220121 is an apocalyptic number.

It is an amenable number.

43010220121 is a deficient number, since it is larger than the sum of its proper divisors (4686763367).

43010220121 is a wasteful number, since it uses less digits than its factorization.

43010220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264392.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 43010220121 its reverse (12102201034), we get a palindrome (55112421155).

The spelling of 43010220121 in words is "forty-three billion, ten million, two hundred twenty thousand, one hundred twenty-one".