21332220012202 has 64 divisors (see below), whose sum is σ = 37042718166144. Its totient is φ = 9105834608640.

The previous prime is 21332220012199. The next prime is 21332220012241. The reversal of 21332220012202 is 20221002223312.

It is a super-2 number, since 2×21332220012202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397569208 + ... + 397622860.

It is an arithmetic number, because the mean of its divisors is an integer number (578792471346).

Almost surely, 2^{21332220012202} is an apocalyptic number.

21332220012202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21332220012202 is a deficient number, since it is larger than the sum of its proper divisors (15710498153942).

21332220012202 is a wasteful number, since it uses less digits than its factorization.

21332220012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56023.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21332220012202 its reverse (20221002223312), we get a palindrome (41553222235514).

The spelling of 21332220012202 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred twenty million, twelve thousand, two hundred two".