21210000211022 has 16 divisors (see below), whose sum is σ = 36360089942112. Its totient is φ = 9089977695360.

The previous prime is 21210000211007. The next prime is 21210000211033. The reversal of 21210000211022 is 22011200001212.

It is a super-3 number, since 3×21210000211022³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 21210000210988 and 21210000211006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4853522 + ... + 8122602.

It is an arithmetic number, because the mean of its divisors is an integer number (2272505621382).

Almost surely, 2^{21210000211022} is an apocalyptic number.

21210000211022 is a deficient number, since it is larger than the sum of its proper divisors (15150089731090).

21210000211022 is a wasteful number, since it uses less digits than its factorization.

21210000211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732523.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21210000211022 its reverse (22011200001212), we get a palindrome (43221200212234).

The spelling of 21210000211022 in words is "twenty-one trillion, two hundred ten billion, two hundred eleven thousand, twenty-two".