211012022011101 has 4 divisors (see below), whose sum is σ = 281349362681472. Its totient is φ = 140674681340732.

The previous prime is 211012022011097. The next prime is 211012022011127. The reversal of 211012022011101 is 101110220210112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211012022011101 - 2² = 211012022011097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012022011601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35168670335181 + ... + 35168670335186.

It is an arithmetic number, because the mean of its divisors is an integer number (70337340670368).

Almost surely, 2^{211012022011101} is an apocalyptic number.

It is an amenable number.

211012022011101 is a deficient number, since it is larger than the sum of its proper divisors (70337340670371).

211012022011101 is an equidigital number, since it uses as much as digits as its factorization.

211012022011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70337340670370.

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

Adding to 211012022011101 its reverse (101110220210112), we get a palindrome (312122242221213).

The spelling of 211012022011101 in words is "two hundred eleven trillion, twelve billion, twenty-two million, eleven thousand, one hundred one".