21422201320110 has 32 divisors (see below), whose sum is σ = 51413713098912. Its totient is φ = 5712539248640.

The previous prime is 21422201320099. The next prime is 21422201320151. The reversal of 21422201320110 is 1102310222412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737842 + ... + 6587018.

It is an arithmetic number, because the mean of its divisors is an integer number (1606678534341).

Almost surely, 2^{21422201320110} is an apocalyptic number.

21422201320110 is an abundant number, since it is smaller than the sum of its proper divisors (29991511778802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21422201320110 is a wasteful number, since it uses less digits than its factorization.

21422201320110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971268.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21422201320110 its reverse (1102310222412), we get a palindrome (22524511542522).

The spelling of 21422201320110 in words is "twenty-one trillion, four hundred twenty-two billion, two hundred one million, three hundred twenty thousand, one hundred ten".