20112101201211 has 32 divisors (see below), whose sum is σ = 28793469926400. Its totient is φ = 12450045254400.

The previous prime is 20112101201177. The next prime is 20112101201273. The reversal of 20112101201211 is 11210210121102.

It is a happy number.

It is not a de Polignac number, because 20112101201211 - 2²¹ = 20112099104059 is a prime.

It is a super-2 number, since 2×20112101201211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20112101201011) 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, 15683740 + ... + 16917561.

It is an arithmetic number, because the mean of its divisors is an integer number (899795935200).

Almost surely, 2^{20112101201211} is an apocalyptic number.

20112101201211 is a deficient number, since it is larger than the sum of its proper divisors (8681368725189).

20112101201211 is a wasteful number, since it uses less digits than its factorization.

20112101201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32601539.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20112101201211 its reverse (11210210121102), we get a palindrome (31322311322313).

The spelling of 20112101201211 in words is "twenty trillion, one hundred twelve billion, one hundred one million, two hundred one thousand, two hundred eleven".