21331011213022 has 32 divisors (see below), whose sum is σ = 37150636884480. Its totient is φ = 8997148672800.

The previous prime is 21331011212983. The next prime is 21331011213023. The reversal of 21331011213022 is 22031211013312.

It is a junction number, because it is equal to n+sod(n) for n = 21331011212984 and 21331011213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21331011213023) 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 15 ways as a sum of consecutive naturals, for example, 44930272 + ... + 45402547.

It is an arithmetic number, because the mean of its divisors is an integer number (1160957402640).

Almost surely, 2^{21331011213022} is an apocalyptic number.

21331011213022 is a deficient number, since it is larger than the sum of its proper divisors (15819625671458).

21331011213022 is a wasteful number, since it uses less digits than its factorization.

21331011213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90333096.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21331011213022 its reverse (22031211013312), we get a palindrome (43362222226334).

The spelling of 21331011213022 in words is "twenty-one trillion, three hundred thirty-one billion, eleven million, two hundred thirteen thousand, twenty-two".