210011001211011 has 256 divisors, whose sum is σ = 388647484968960. Its totient is φ = 97922861936640.

The previous prime is 210011001211009. The next prime is 210011001211019. The reversal of 210011001211011 is 110112100110012.

It is not a de Polignac number, because 210011001211011 - 2¹ = 210011001211009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210011001211019) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 50568502911 + ... + 50568507063.

It is an arithmetic number, because the mean of its divisors is an integer number (1518154238160).

Almost surely, 2^{210011001211011} is an apocalyptic number.

210011001211011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

210011001211011 is a deficient number, since it is larger than the sum of its proper divisors (178636483757949).

210011001211011 is a wasteful number, since it uses less digits than its factorization.

210011001211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 210011001211011 its reverse (110112100110012), we get a palindrome (320123101321023).

It can be divided in two parts, 2100110012 and 11011, that multiplied together give a palindrome (23124311342132).

The spelling of 210011001211011 in words is "two hundred ten trillion, eleven billion, one million, two hundred eleven thousand, eleven".