21101202200122 has 32 divisors (see below), whose sum is σ = 35120356254720. Its totient is φ = 9428326280880.

The previous prime is 21101202200119. The next prime is 21101202200159. The reversal of 21101202200122 is 22100220210112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21101202200096 and 21101202200105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26347948 + ... + 27136999.

It is an arithmetic number, because the mean of its divisors is an integer number (1097511132960).

Almost surely, 2^{21101202200122} is an apocalyptic number.

21101202200122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21101202200122 is a deficient number, since it is larger than the sum of its proper divisors (14019154054598).

21101202200122 is a wasteful number, since it uses less digits than its factorization.

21101202200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53485266.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21101202200122 its reverse (22100220210112), we get a palindrome (43201422410234).

The spelling of 21101202200122 in words is "twenty-one trillion, one hundred one billion, two hundred two million, two hundred thousand, one hundred twenty-two".