21101000200022 has 24 divisors (see below), whose sum is σ = 32115624425976. Its totient is φ = 10397740209408.

The previous prime is 21101000200019. The next prime is 21101000200039. The reversal of 21101000200022 is 22000200010112.

It is a happy number.

It is a super-3 number, since 3×21101000200022³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21101000199976 and 21101000200012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2031953 + ... + 6806675.

It is an arithmetic number, because the mean of its divisors is an integer number (1338151017749).

Almost surely, 2^{21101000200022} is an apocalyptic number.

21101000200022 is a deficient number, since it is larger than the sum of its proper divisors (11014624225954).

21101000200022 is a wasteful number, since it uses less digits than its factorization.

21101000200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775132 (or 4775025 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21101000200022 its reverse (22000200010112), we get a palindrome (43101200210134).

The spelling of 21101000200022 in words is "twenty-one trillion, one hundred one billion, two hundred thousand, twenty-two".