42221202231211 has 4 divisors (see below), whose sum is σ = 42225300989424. Its totient is φ = 42217103473000.

The previous prime is 42221202231209. The next prime is 42221202231259. The reversal of 42221202231211 is 11213220212224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42221202231211 - 2¹ = 42221202231209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42221202211211) 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, 2049363655 + ... + 2049384256.

It is an arithmetic number, because the mean of its divisors is an integer number (10556325247356).

Almost surely, 2^{42221202231211} is an apocalyptic number.

42221202231211 is a deficient number, since it is larger than the sum of its proper divisors (4098758213).

42221202231211 is a wasteful number, since it uses less digits than its factorization.

42221202231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098758212.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 42221202231211 its reverse (11213220212224), we get a palindrome (53434422443435).

The spelling of 42221202231211 in words is "forty-two trillion, two hundred twenty-one billion, two hundred two million, two hundred thirty-one thousand, two hundred eleven".