21000210212022 has 16 divisors (see below), whose sum is σ = 43826525660160. Its totient is φ = 6695719197992.

The previous prime is 21000210212021. The next prime is 21000210212131. The reversal of 21000210212022 is 22021201200012.

It is a super-2 number, since 2×21000210212022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21000210211992 and 21000210212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000210212021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 76087718022 + ... + 76087718297.

It is an arithmetic number, because the mean of its divisors is an integer number (2739157853760).

Almost surely, 2^{21000210212022} is an apocalyptic number.

21000210212022 is an abundant number, since it is smaller than the sum of its proper divisors (22826315448138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21000210212022 is a wasteful number, since it uses less digits than its factorization.

21000210212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152175436347.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21000210212022 its reverse (22021201200012), we get a palindrome (43021411412034).

The spelling of 21000210212022 in words is "twenty-one trillion, two hundred ten million, two hundred twelve thousand, twenty-two".