20122200012201 has 32 divisors (see below), whose sum is σ = 31796852625408. Its totient is φ = 11079014604480.

The previous prime is 20122200012197. The next prime is 20122200012209. The reversal of 20122200012201 is 10221000222102.

It is not a de Polignac number, because 20122200012201 - 2² = 20122200012197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20122200012209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125635005 + ... + 125795066.

It is an arithmetic number, because the mean of its divisors is an integer number (993651644544).

Almost surely, 2^{20122200012201} is an apocalyptic number.

20122200012201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20122200012201 is a deficient number, since it is larger than the sum of its proper divisors (11674652613207).

20122200012201 is a wasteful number, since it uses less digits than its factorization.

20122200012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251430221.

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

Adding to 20122200012201 its reverse (10221000222102), we get a palindrome (30343200234303).

The spelling of 20122200012201 in words is "twenty trillion, one hundred twenty-two billion, two hundred million, twelve thousand, two hundred one".