211211201331011 has 8 divisors (see below), whose sum is σ = 241659468674400. Its totient is φ = 180831743633088.

The previous prime is 211211201330993. The next prime is 211211201331029. The reversal of 211211201331011 is 110133102112112.

It is an interprime number because it is at equal distance from previous prime (211211201330993) and next prime (211211201331029).

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

It is a cyclic number.

It is not a de Polignac number, because 211211201331011 - 2¹⁴ = 211211201314627 is a prime.

It is a super-2 number, since 2×211211201331011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211211201331071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17202404786 + ... + 17202417063.

It is an arithmetic number, because the mean of its divisors is an integer number (30207433584300).

Almost surely, 2^{211211201331011} is an apocalyptic number.

211211201331011 is a deficient number, since it is larger than the sum of its proper divisors (30448267343389).

211211201331011 is an equidigital number, since it uses as much as digits as its factorization.

211211201331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404822733.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 211211201331011 its reverse (110133102112112), we get a palindrome (321344303443123).

The spelling of 211211201331011 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred one million, three hundred thirty-one thousand, eleven".