22101220020201 has 16 divisors (see below), whose sum is σ = 33682540800000. Its totient is φ = 12627584365968.

The previous prime is 22101220020199. The next prime is 22101220020221. The reversal of 22101220020201 is 10202002210122.

It is not a de Polignac number, because 22101220020201 - 2¹ = 22101220020199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101220020221) 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, 70014481 + ... + 70329438.

It is an arithmetic number, because the mean of its divisors is an integer number (2105158800000).

Almost surely, 2^{22101220020201} is an apocalyptic number.

22101220020201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22101220020201 is a deficient number, since it is larger than the sum of its proper divisors (11581320779799).

22101220020201 is a wasteful number, since it uses less digits than its factorization.

22101220020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140351428.

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

Adding to 22101220020201 its reverse (10202002210122), we get a palindrome (32303222230323).

The spelling of 22101220020201 in words is "twenty-two trillion, one hundred one billion, two hundred twenty million, twenty thousand, two hundred one".