20002102120211 has 16 divisors (see below), whose sum is σ = 20489779821888. Its totient is φ = 19521125568000.

The previous prime is 20002102120159. The next prime is 20002102120271. The reversal of 20002102120211 is 11202120120002.

It is a cyclic number.

It is not a de Polignac number, because 20002102120211 - 2³⁴ = 19984922251027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002102120271) 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, 105140 + ... + 6325761.

It is an arithmetic number, because the mean of its divisors is an integer number (1280611238868).

Almost surely, 2^{20002102120211} is an apocalyptic number.

20002102120211 is a deficient number, since it is larger than the sum of its proper divisors (487677701677).

20002102120211 is a wasteful number, since it uses less digits than its factorization.

20002102120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431422.

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

Adding to 20002102120211 its reverse (11202120120002), we get a palindrome (31204222240213).

The spelling of 20002102120211 in words is "twenty trillion, two billion, one hundred two million, one hundred twenty thousand, two hundred eleven".