211201001212011 has 32 divisors (see below), whose sum is σ = 293385304354560. Its totient is φ = 135040778256384.

The previous prime is 211201001211997. The next prime is 211201001212051. The reversal of 211201001212011 is 110212100102112.

It is a happy number.

It is not a de Polignac number, because 211201001212011 - 2⁷ = 211201001211883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211201001212051) 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, 36330006 + ... + 41740523.

It is an arithmetic number, because the mean of its divisors is an integer number (9168290761080).

Almost surely, 2^{211201001212011} is an apocalyptic number.

211201001212011 is a deficient number, since it is larger than the sum of its proper divisors (82184303142549).

211201001212011 is a wasteful number, since it uses less digits than its factorization.

211201001212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78070955.

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

Adding to 211201001212011 its reverse (110212100102112), we get a palindrome (321413101314123).

The spelling of 211201001212011 in words is "two hundred eleven trillion, two hundred one billion, one million, two hundred twelve thousand, eleven".