22010010011021 has 16 divisors (see below), whose sum is σ = 23387620017840. Its totient is φ = 20673803404800.

The previous prime is 22010010011009. The next prime is 22010010011107. The reversal of 22010010011021 is 12011001001022.

It can be written as a sum of positive squares in 8 ways, for example, as 1599592562500 + 20410417448521 = 1264750^2 + 4517789^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010010011021 - 2³⁰ = 22008936269197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22010010010993 and 22010010011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010010041021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6271871 + ... + 9129971.

It is an arithmetic number, because the mean of its divisors is an integer number (1461726251115).

Almost surely, 2^{22010010011021} is an apocalyptic number.

It is an amenable number.

22010010011021 is a deficient number, since it is larger than the sum of its proper divisors (1377610006819).

22010010011021 is a wasteful number, since it uses less digits than its factorization.

22010010011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865344.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22010010011021 its reverse (12011001001022), we get a palindrome (34021011012043).

Subtracting from 22010010011021 its reverse (12011001001022), we obtain a palindrome (9999009009999).

The spelling of 22010010011021 in words is "twenty-two trillion, ten billion, ten million, eleven thousand, twenty-one".