211012001022201 has 4 divisors (see below), whose sum is σ = 281349334696272. Its totient is φ = 140674667348132.

The previous prime is 211012001022169. The next prime is 211012001022233. The reversal of 211012001022201 is 102220100210112.

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 an interprime number because it is at equal distance from previous prime (211012001022169) and next prime (211012001022233).

It is a cyclic number.

It is not a de Polignac number, because 211012001022201 - 2⁵ = 211012001022169 is a prime.

It is a super-3 number, since 3×211012001022201³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211012001022101) 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, 35168666837031 + ... + 35168666837036.

It is an arithmetic number, because the mean of its divisors is an integer number (70337333674068).

Almost surely, 2^{211012001022201} is an apocalyptic number.

It is an amenable number.

211012001022201 is a deficient number, since it is larger than the sum of its proper divisors (70337333674071).

211012001022201 is an equidigital number, since it uses as much as digits as its factorization.

211012001022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70337333674070.

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

Adding to 211012001022201 its reverse (102220100210112), we get a palindrome (313232101232313).

The spelling of 211012001022201 in words is "two hundred eleven trillion, twelve billion, one million, twenty-two thousand, two hundred one".