20011200221211 has 8 divisors (see below), whose sum is σ = 27542297078784. Its totient is φ = 12910451755560.

The previous prime is 20011200221203. The next prime is 20011200221219. The reversal of 20011200221211 is 11212200211002.

It is an interprime number because it is at equal distance from previous prime (20011200221203) and next prime (20011200221219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20011200221211 - 2³ = 20011200221203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20011200221219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107587097871 + ... + 107587098056.

It is an arithmetic number, because the mean of its divisors is an integer number (3442787134848).

Almost surely, 2^{20011200221211} is an apocalyptic number.

20011200221211 is a deficient number, since it is larger than the sum of its proper divisors (7531096857573).

20011200221211 is a wasteful number, since it uses less digits than its factorization.

20011200221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215174195961.

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

Adding to 20011200221211 its reverse (11212200211002), we get a palindrome (31223400432213).

The spelling of 20011200221211 in words is "twenty trillion, eleven billion, two hundred million, two hundred twenty-one thousand, two hundred eleven".