21220000201102 has 4 divisors (see below), whose sum is σ = 31830000301656. Its totient is φ = 10610000100550.

The previous prime is 21220000201097. The next prime is 21220000201109. The reversal of 21220000201102 is 20110200002212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21220000201109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305000050274 + ... + 5305000050277.

It is an arithmetic number, because the mean of its divisors is an integer number (7957500075414).

Almost surely, 2^{21220000201102} is an apocalyptic number.

21220000201102 is a deficient number, since it is larger than the sum of its proper divisors (10610000100554).

21220000201102 is a wasteful number, since it uses less digits than its factorization.

21220000201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10610000100553.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21220000201102 its reverse (20110200002212), we get a palindrome (41330200203314).

The spelling of 21220000201102 in words is "twenty-one trillion, two hundred twenty billion, two hundred one thousand, one hundred two".