21100202010022 has 16 divisors (see below), whose sum is σ = 31687956883440. Its totient is φ = 10537550278528.

The previous prime is 21100202010007. The next prime is 21100202010059. The reversal of 21100202010022 is 22001020200112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21100202009984 and 21100202010011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93161058 + ... + 93387274.

It is an arithmetic number, because the mean of its divisors is an integer number (1980497305215).

Almost surely, 2^{21100202010022} is an apocalyptic number.

21100202010022 is a deficient number, since it is larger than the sum of its proper divisors (10587754873418).

21100202010022 is a wasteful number, since it uses less digits than its factorization.

21100202010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281495.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21100202010022 its reverse (22001020200112), we get a palindrome (43101222210134).

The spelling of 21100202010022 in words is "twenty-one trillion, one hundred billion, two hundred two million, ten thousand, twenty-two".