20211202222201 has 16 divisors (see below), whose sum is σ = 22100806627200. Its totient is φ = 18417338755200.

The previous prime is 20211202222177. The next prime is 20211202222207. The reversal of 20211202222201 is 10222220211202.

It is a cyclic number.

It is not a de Polignac number, because 20211202222201 - 2¹⁹ = 20211201697913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20211202222207) 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, 182656386 + ... + 182767003.

It is an arithmetic number, because the mean of its divisors is an integer number (1381300414200).

Almost surely, 2^{20211202222201} is an apocalyptic number.

It is an amenable number.

20211202222201 is a deficient number, since it is larger than the sum of its proper divisors (1889604404999).

20211202222201 is a wasteful number, since it uses less digits than its factorization.

20211202222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365423520.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20211202222201 its reverse (10222220211202), we get a palindrome (30433422433403).

The spelling of 20211202222201 in words is "twenty trillion, two hundred eleven billion, two hundred two million, two hundred twenty-two thousand, two hundred one".