21010102201022 has 64 divisors (see below), whose sum is σ = 36466997900544. Its totient is φ = 8972369303040.

The previous prime is 21010102201019. The next prime is 21010102201031. The reversal of 21010102201022 is 22010220101012.

It is a junction number, because it is equal to n+sod(n) for n = 21010102200988 and 21010102201006.

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, 984207353 + ... + 984228699.

It is an arithmetic number, because the mean of its divisors is an integer number (569796842196).

Almost surely, 2^{21010102201022} is an apocalyptic number.

21010102201022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21010102201022 is a deficient number, since it is larger than the sum of its proper divisors (15456895699522).

21010102201022 is a wasteful number, since it uses less digits than its factorization.

21010102201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25913.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21010102201022 its reverse (22010220101012), we get a palindrome (43020322302034).

The spelling of 21010102201022 in words is "twenty-one trillion, ten billion, one hundred two million, two hundred one thousand, twenty-two".