42233312121 has 96 divisors (see below), whose sum is σ = 77230516608. Its totient is φ = 20179676160.

The previous prime is 42233312063. The next prime is 42233312131. The reversal of 42233312121 is 12121333224.

It is not a de Polignac number, because 42233312121 - 2¹⁸ = 42233049977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42233312091 and 42233312100.

It is not an unprimeable number, because it can be changed into a prime (42233312131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6155725 + ... + 6162581.

It is an arithmetic number, because the mean of its divisors is an integer number (804484548).

Almost surely, 2^42233312121 is an apocalyptic number.

It is an amenable number.

42233312121 is a deficient number, since it is larger than the sum of its proper divisors (34997204487).

42233312121 is a wasteful number, since it uses less digits than its factorization.

42233312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7191 (or 7184 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 42233312121 its reverse (12121333224), we get a palindrome (54354645345).

The spelling of 42233312121 in words is "forty-two billion, two hundred thirty-three million, three hundred twelve thousand, one hundred twenty-one".