21122000100201 has 64 divisors (see below), whose sum is σ = 38834779447296. Its totient is φ = 9854690169600.

The previous prime is 21122000100151. The next prime is 21122000100203. The reversal of 21122000100201 is 10200100022112.

It is not a de Polignac number, because 21122000100201 - 2¹³ = 21122000092009 is a prime.

It is a super-2 number, since 2×21122000100201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122000100203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94937985 + ... + 95160206.

It is an arithmetic number, because the mean of its divisors is an integer number (606793428864).

Almost surely, 2^{21122000100201} is an apocalyptic number.

21122000100201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21122000100201 is a deficient number, since it is larger than the sum of its proper divisors (17712779347095).

21122000100201 is a wasteful number, since it uses less digits than its factorization.

21122000100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190098262.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21122000100201 its reverse (10200100022112), we get a palindrome (31322100122313).

The spelling of 21122000100201 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred thousand, two hundred one".