21020133202222 has 64 divisors (see below), whose sum is σ = 39577932288000. Its totient is φ = 8133932378880.

The previous prime is 21020133202213. The next prime is 21020133202241. The reversal of 21020133202222 is 22220233102012.

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

It is a junction number, because it is equal to n+sod(n) for n = 21020133202193 and 21020133202202.

It is a congruent number.

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, 284700003 + ... + 284773825.

It is an arithmetic number, because the mean of its divisors is an integer number (618405192000).

Almost surely, 2^{21020133202222} is an apocalyptic number.

21020133202222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21020133202222 is a deficient number, since it is larger than the sum of its proper divisors (18557799085778).

21020133202222 is a wasteful number, since it uses less digits than its factorization.

21020133202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86401.

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

Adding to 21020133202222 its reverse (22220233102012), we get a palindrome (43240366304234).

The spelling of 21020133202222 in words is "twenty-one trillion, twenty billion, one hundred thirty-three million, two hundred two thousand, two hundred twenty-two".