21111023302 has 8 divisors (see below), whose sum is σ = 31687223112. Its totient is φ = 10548615600.

The previous prime is 21111023299. The next prime is 21111023327. The reversal of 21111023302 is 20332011112.

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

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, 3444199 + ... + 3450322.

It is an arithmetic number, because the mean of its divisors is an integer number (3960902889).

Almost surely, 2^21111023302 is an apocalyptic number.

21111023302 is a deficient number, since it is larger than the sum of its proper divisors (10576199810).

21111023302 is a wasteful number, since it uses less digits than its factorization.

21111023302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896054.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21111023302 its reverse (20332011112), we get a palindrome (41443034414).

The spelling of 21111023302 in words is "twenty-one billion, one hundred eleven million, twenty-three thousand, three hundred two".