211121002101213 has 16 divisors (see below), whose sum is σ = 312773667537600. Its totient is φ = 140746519076400.

The previous prime is 211121002101211. The next prime is 211121002101301. The reversal of 211121002101213 is 312101200121112.

It is a happy number.

211121002101213 is a `hidden beast` number, since 21 + 11 + 210 + 0 + 210 + 1 + 213 = 666.

It is not a de Polignac number, because 211121002101213 - 2¹ = 211121002101211 is a prime.

It is a super-2 number, since 2×211121002101213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121002101211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17893638 + ... + 27247463.

It is an arithmetic number, because the mean of its divisors is an integer number (19548354221100).

Almost surely, 2^{211121002101213} is an apocalyptic number.

It is an amenable number.

211121002101213 is a deficient number, since it is larger than the sum of its proper divisors (101652665436387).

211121002101213 is a wasteful number, since it uses less digits than its factorization.

211121002101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45314329 (or 45314323 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 211121002101213 its reverse (312101200121112), we get a palindrome (523222202222325).

The spelling of 211121002101213 in words is "two hundred eleven trillion, one hundred twenty-one billion, two million, one hundred one thousand, two hundred thirteen".