210211222011 has 12 divisors (see below), whose sum is σ = 326041895592. Its totient is φ = 120120698208.

The previous prime is 210211221971. The next prime is 210211222031. The reversal of 210211222011 is 110222112012.

It is not a de Polignac number, because 210211222011 - 2¹⁸ = 210210959867 is a prime.

It is a super-3 number, since 3×210211222011³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (210211222031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715004010 + ... + 715004303.

It is an arithmetic number, because the mean of its divisors is an integer number (27170157966).

Almost surely, 2^210211222011 is an apocalyptic number.

210211222011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

210211222011 is a deficient number, since it is larger than the sum of its proper divisors (115830673581).

210211222011 is a wasteful number, since it uses less digits than its factorization.

210211222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430008330 (or 1430008323 counting only the distinct ones).

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

Adding to 210211222011 its reverse (110222112012), we get a palindrome (320433334023).

The spelling of 210211222011 in words is "two hundred ten billion, two hundred eleven million, two hundred twenty-two thousand, eleven".