2102120101213 has 4 divisors (see below), whose sum is σ = 2293221928608. Its totient is φ = 1911018273820.

The previous prime is 2102120101201. The next prime is 2102120101219. The reversal of 2102120101213 is 3121010212012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102120101213 - 2¹⁷ = 2102119970141 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 (2102120101219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95550913681 + ... + 95550913702.

It is an arithmetic number, because the mean of its divisors is an integer number (573305482152).

Almost surely, 2^{2102120101213} is an apocalyptic number.

It is an amenable number.

2102120101213 is a deficient number, since it is larger than the sum of its proper divisors (191101827395).

2102120101213 is a wasteful number, since it uses less digits than its factorization.

2102120101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191101827394.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2102120101213 its reverse (3121010212012), we get a palindrome (5223130313225).

The spelling of 2102120101213 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred one thousand, two hundred thirteen".