21111000030022 has 32 divisors (see below), whose sum is σ = 38444533459200. Its totient is φ = 8492746913568.

The previous prime is 21111000030017. The next prime is 21111000030031. The reversal of 21111000030022 is 22003000011112.

It is a junction number, because it is equal to n+sod(n) for n = 21111000029984 and 21111000030011.

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, 364029088 + ... + 364087075.

It is an arithmetic number, because the mean of its divisors is an integer number (1201391670600).

Almost surely, 2^{21111000030022} is an apocalyptic number.

21111000030022 is a deficient number, since it is larger than the sum of its proper divisors (17333533429178).

21111000030022 is a wasteful number, since it uses less digits than its factorization.

21111000030022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728116300.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21111000030022 its reverse (22003000011112), we get a palindrome (43114000041134).

The spelling of 21111000030022 in words is "twenty-one trillion, one hundred eleven billion, thirty thousand, twenty-two".