40233234102221 has 4 divisors (see below), whose sum is σ = 42350772739200. Its totient is φ = 38115695465244.

The previous prime is 40233234102181. The next prime is 40233234102287. The reversal of 40233234102221 is 12220143233204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40233234102221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40233234104221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058769318461 + ... + 1058769318498.

It is an arithmetic number, because the mean of its divisors is an integer number (10587693184800).

Almost surely, 2^{40233234102221} is an apocalyptic number.

It is an amenable number.

40233234102221 is a deficient number, since it is larger than the sum of its proper divisors (2117538636979).

40233234102221 is a wasteful number, since it uses less digits than its factorization.

40233234102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117538636978.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 40233234102221 its reverse (12220143233204), we get a palindrome (52453377335425).

The spelling of 40233234102221 in words is "forty trillion, two hundred thirty-three billion, two hundred thirty-four million, one hundred two thousand, two hundred twenty-one".