213013102100122 has 8 divisors (see below), whose sum is σ = 319519731071700. Its totient is φ = 106506525076224.

The previous prime is 213013102100093. The next prime is 213013102100159. The reversal of 213013102100122 is 221001201310312.

It can be written as a sum of positive squares in 2 ways, for example, as 205575978602241 + 7437123497881 = 14337921^2 + 2727109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213013102100122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228997 + ... + 20641672.

Almost surely, 2^{213013102100122} is an apocalyptic number.

213013102100122 is a deficient number, since it is larger than the sum of its proper divisors (106506628971578).

213013102100122 is a wasteful number, since it uses less digits than its factorization.

213013102100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25973840.

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

Adding to 213013102100122 its reverse (221001201310312), we get a palindrome (434014303410434).

The spelling of 213013102100122 in words is "two hundred thirteen trillion, thirteen billion, one hundred two million, one hundred thousand, one hundred twenty-two".