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BaseRepresentation
bin10011101010010111…
…111000111000010110
32000111022221201111202
4103222113320320112
5321214133000042
613410531232502
71345114016321
oct235227707026
960438851452
1021112000022
118a541a0103
124112448732
131cb5b9a609
141043c697b8
158386c2632
hex4ea5f8e16

21112000022 has 8 divisors (see below), whose sum is σ = 31975456656. Its totient is φ = 10453514472.

The previous prime is 21111999947. The next prime is 21112000097. The reversal of 21112000022 is 22000021112.

Adding to 21112000022 its reverse (22000021112), we get a palindrome (43112021134).

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21111999947) and next prime (21112000097).

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 = 21111999967 and 21112000012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51242513 + ... + 51242924.

It is an arithmetic number, because the mean of its divisors is an integer number (3996932082).

Almost surely, 221112000022 is an apocalyptic number.

21112000022 is a deficient number, since it is larger than the sum of its proper divisors (10863456634).

21112000022 is a wasteful number, since it uses less digits than its factorization.

21112000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102485542.

The product of its (nonzero) digits is 16, while the sum is 11.

The spelling of 21112000022 in words is "twenty-one billion, one hundred twelve million, twenty-two", and thus it is an aban number.