21200222200101 has 16 divisors (see below), whose sum is σ = 32449966424064. Its totient is φ = 12060087962544.

The previous prime is 21200222200043. The next prime is 21200222200121. The reversal of 21200222200101 is 10100222200212.

It is not a de Polignac number, because 21200222200101 - 2⁹ = 21200222199589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200222200121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263525341 + ... + 2263534706.

It is an arithmetic number, because the mean of its divisors is an integer number (2028122901504).

Almost surely, 2^{21200222200101} is an apocalyptic number.

21200222200101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21200222200101 is a deficient number, since it is larger than the sum of its proper divisors (11249744223963).

21200222200101 is a wasteful number, since it uses less digits than its factorization.

21200222200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527060280.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21200222200101 its reverse (10100222200212), we get a palindrome (31300444400313).

The spelling of 21200222200101 in words is "twenty-one trillion, two hundred billion, two hundred twenty-two million, two hundred thousand, one hundred one".