20010001112211 has 48 divisors (see below), whose sum is σ = 30431923038720. Its totient is φ = 11597716004160.

The previous prime is 20010001112191. The next prime is 20010001112341. The reversal of 20010001112211 is 11221110001002.

It is not a de Polignac number, because 20010001112211 - 2²³ = 20009992723603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010001112611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90613750 + ... + 90834308.

It is an arithmetic number, because the mean of its divisors is an integer number (633998396640).

Almost surely, 2^{20010001112211} is an apocalyptic number.

20010001112211 is a deficient number, since it is larger than the sum of its proper divisors (10421921926509).

20010001112211 is a wasteful number, since it uses less digits than its factorization.

20010001112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225816 (or 225793 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20010001112211 its reverse (11221110001002), we get a palindrome (31231111113213).

The spelling of 20010001112211 in words is "twenty trillion, ten billion, one million, one hundred twelve thousand, two hundred eleven".