21022212123032 has 16 divisors (see below), whose sum is σ = 40333313957640. Its totient is φ = 10266661734336.

The previous prime is 21022212123001. The next prime is 21022212123049. The reversal of 21022212123032 is 23032121222012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21022212122989 and 21022212123007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30555540533 + ... + 30555541220.

Almost surely, 2^{21022212123032} is an apocalyptic number.

It is an amenable number.

21022212123032 is a deficient number, since it is larger than the sum of its proper divisors (19311101834608).

21022212123032 is a wasteful number, since it uses less digits than its factorization.

21022212123032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61111081802 (or 61111081798 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21022212123032 its reverse (23032121222012), we get a palindrome (44054333345044).

The spelling of 21022212123032 in words is "twenty-one trillion, twenty-two billion, two hundred twelve million, one hundred twenty-three thousand, thirty-two".