21010012011022 has 32 divisors (see below), whose sum is σ = 32325227020800. Its totient is φ = 10235598859200.

The previous prime is 21010012010963. The next prime is 21010012011061. The reversal of 21010012011022 is 22011021001012.

It is a junction number, because it is equal to n+sod(n) for n = 21010012010993 and 21010012011011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862078497 + ... + 862102867.

It is an arithmetic number, because the mean of its divisors is an integer number (1010163344400).

Almost surely, 2^{21010012011022} is an apocalyptic number.

21010012011022 is a deficient number, since it is larger than the sum of its proper divisors (11315215009778).

21010012011022 is a wasteful number, since it uses less digits than its factorization.

21010012011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37512.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21010012011022 its reverse (22011021001012), we get a palindrome (43021033012034).

The spelling of 21010012011022 in words is "twenty-one trillion, ten billion, twelve million, eleven thousand, twenty-two".