20001202112211 has 16 divisors (see below), whose sum is σ = 27625812614400. Its totient is φ = 12856628096928.

The previous prime is 20001202112207. The next prime is 20001202112231. The reversal of 20001202112211 is 11221120210002.

It is not a de Polignac number, because 20001202112211 - 2² = 20001202112207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001202112231) 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, 158051521 + ... + 158178018.

It is an arithmetic number, because the mean of its divisors is an integer number (1726613288400).

Almost surely, 2^{20001202112211} is an apocalyptic number.

20001202112211 is a deficient number, since it is larger than the sum of its proper divisors (7624610502189).

20001202112211 is a wasteful number, since it uses less digits than its factorization.

20001202112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316230298.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20001202112211 its reverse (11221120210002), we get a palindrome (31222322322213).

The spelling of 20001202112211 in words is "twenty trillion, one billion, two hundred two million, one hundred twelve thousand, two hundred eleven".