20000122102211 has 4 divisors (see below), whose sum is σ = 20425656615072. Its totient is φ = 19574587589352.

The previous prime is 20000122102127. The next prime is 20000122102241. The reversal of 20000122102211 is 11220122100002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20000122102211 - 2²² = 20000117907907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000122102241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212767256360 + ... + 212767256453.

It is an arithmetic number, because the mean of its divisors is an integer number (5106414153768).

Almost surely, 2^{20000122102211} is an apocalyptic number.

20000122102211 is a deficient number, since it is larger than the sum of its proper divisors (425534512861).

20000122102211 is an equidigital number, since it uses as much as digits as its factorization.

20000122102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425534512860.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20000122102211 its reverse (11220122100002), we get a palindrome (31220244202213).

The spelling of 20000122102211 in words is "twenty trillion, one hundred twenty-two million, one hundred two thousand, two hundred eleven".