21422300421011 has 32 divisors (see below), whose sum is σ = 26358374135808. Its totient is φ = 16992767393280.

The previous prime is 21422300420981. The next prime is 21422300421043. The reversal of 21422300421011 is 11012400322412.

It is not a de Polignac number, because 21422300421011 - 2³⁰ = 21421226679187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21422300421911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247295 + ... + 6550248.

It is an arithmetic number, because the mean of its divisors is an integer number (823699191744).

Almost surely, 2^{21422300421011} is an apocalyptic number.

21422300421011 is a deficient number, since it is larger than the sum of its proper divisors (4936073714797).

21422300421011 is a wasteful number, since it uses less digits than its factorization.

21422300421011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798011.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21422300421011 its reverse (11012400322412), we get a palindrome (32434700743423).

The spelling of 21422300421011 in words is "twenty-one trillion, four hundred twenty-two billion, three hundred million, four hundred twenty-one thousand, eleven".