201311022010 has 32 divisors (see below), whose sum is σ = 421939228032. Its totient is φ = 67718639040.

The previous prime is 201311022001. The next prime is 201311022061. The reversal of 201311022010 is 10220113102.

It is a super-2 number, since 2×201311022010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27127156 + ... + 27134575.

It is an arithmetic number, because the mean of its divisors is an integer number (13185600876).

Almost surely, 2^201311022010 is an apocalyptic number.

201311022010 is an abundant number, since it is smaller than the sum of its proper divisors (220628206022).

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

201311022010 is a wasteful number, since it uses less digits than its factorization.

201311022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54261798.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201311022010 its reverse (10220113102), we get a palindrome (211531135112).

The spelling of 201311022010 in words is "two hundred one billion, three hundred eleven million, twenty-two thousand, ten".