21032101222 has 8 divisors (see below), whose sum is σ = 34416165672. Its totient is φ = 9560046000.

The previous prime is 21032101193. The next prime is 21032101229. The reversal of 21032101222 is 22210123012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21032101196 and 21032101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032101229) 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, 478002279 + ... + 478002322.

It is an arithmetic number, because the mean of its divisors is an integer number (4302020709).

Almost surely, 2^21032101222 is an apocalyptic number.

21032101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21032101222 is a deficient number, since it is larger than the sum of its proper divisors (13384064450).

21032101222 is a wasteful number, since it uses less digits than its factorization.

21032101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956004614.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21032101222 its reverse (22210123012), we get a palindrome (43242224234).

The spelling of 21032101222 in words is "twenty-one billion, thirty-two million, one hundred one thousand, two hundred twenty-two".