213020122002011 has 24 divisors (see below), whose sum is σ = 226214165136960. Its totient is φ = 199901516412672.

The previous prime is 213020122001891. The next prime is 213020122002031. The reversal of 213020122002011 is 110200221020312.

It is a de Polignac number, because none of the positive numbers 2^k-213020122002011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213020122002031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19744189805 + ... + 19744200593.

It is an arithmetic number, because the mean of its divisors is an integer number (9425590214040).

Almost surely, 2^{213020122002011} is an apocalyptic number.

213020122002011 is a deficient number, since it is larger than the sum of its proper divisors (13194043134949).

213020122002011 is an equidigital number, since it uses as much as digits as its factorization.

213020122002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163 (or 19796 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 213020122002011 its reverse (110200221020312), we get a palindrome (323220343022323).

The spelling of 213020122002011 in words is "two hundred thirteen trillion, twenty billion, one hundred twenty-two million, two thousand, eleven".