211122021211010 has 64 divisors (see below), whose sum is σ = 467744303980800. Its totient is φ = 66812664506112.

The previous prime is 211122021211001. The next prime is 211122021211019. The reversal of 211122021211010 is 10112120221112.

It is an interprime number because it is at equal distance from previous prime (211122021211001) and next prime (211122021211019).

It is a self number, because there is not a number n which added to its sum of digits gives 211122021211010.

It is not an unprimeable number, because it can be changed into a prime (211122021211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8421461 + ... + 22207319.

It is an arithmetic number, because the mean of its divisors is an integer number (7308504749700).

Almost surely, 2^{211122021211010} is an apocalyptic number.

211122021211010 is an abundant number, since it is smaller than the sum of its proper divisors (256622282769790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211122021211010 is a wasteful number, since it uses less digits than its factorization.

211122021211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802715.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211122021211010 its reverse (10112120221112), we get a palindrome (221234141432122).

The spelling of 211122021211010 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred eleven thousand, ten".