2210121212011 has 24 divisors (see below), whose sum is σ = 2255765134896. Its totient is φ = 2165290306560.

The previous prime is 2210121211999. The next prime is 2210121212017. The reversal of 2210121212011 is 1102121210122.

It is not a de Polignac number, because 2210121212011 - 2⁴¹ = 11097956459 is a prime.

It is a super-2 number, since 2×2210121212011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210121212017) 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 23 ways as a sum of consecutive naturals, for example, 386584725 + ... + 386590441.

It is an arithmetic number, because the mean of its divisors is an integer number (93990213954).

Almost surely, 2^{2210121212011} is an apocalyptic number.

2210121212011 is a deficient number, since it is larger than the sum of its proper divisors (45643922885).

2210121212011 is an equidigital number, since it uses as much as digits as its factorization.

2210121212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319 (or 6222 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2210121212011 its reverse (1102121210122), we get a palindrome (3312242422133).

The spelling of 2210121212011 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, eleven".