210001122213013 has 4 divisors (see below), whose sum is σ = 210781795530060. Its totient is φ = 209220448895968.

The previous prime is 210001122212989. The next prime is 210001122213031. The reversal of 210001122213013 is 310312221100012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18081604549009 + 191919517664004 = 4252247^2 + 13853502^2 .

It is a cyclic number.

It is not a de Polignac number, because 210001122213013 - 2⁹ = 210001122212501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001122216013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390336658120 + ... + 390336658657.

It is an arithmetic number, because the mean of its divisors is an integer number (52695448882515).

Almost surely, 2^{210001122213013} is an apocalyptic number.

It is an amenable number.

210001122213013 is a deficient number, since it is larger than the sum of its proper divisors (780673317047).

210001122213013 is an equidigital number, since it uses as much as digits as its factorization.

210001122213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780673317046.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 210001122213013 its reverse (310312221100012), we get a palindrome (520313343313025).

The spelling of 210001122213013 in words is "two hundred ten trillion, one billion, one hundred twenty-two million, two hundred thirteen thousand, thirteen".