211202121202113 has 8 divisors (see below), whose sum is σ = 293846429498688. Its totient is φ = 134679613520144.

The previous prime is 211202121202097. The next prime is 211202121202129. The reversal of 211202121202113 is 311202121202112.

It is an interprime number because it is at equal distance from previous prime (211202121202097) and next prime (211202121202129).

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

It is a cyclic number.

It is not a de Polignac number, because 211202121202113 - 2⁴ = 211202121202097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211202121202113.

It is not an unprimeable number, because it can be changed into a prime (211202121203113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530450153570 + ... + 1530450153707.

It is an arithmetic number, because the mean of its divisors is an integer number (36730803687336).

Almost surely, 2^{211202121202113} is an apocalyptic number.

211202121202113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

211202121202113 is a deficient number, since it is larger than the sum of its proper divisors (82644308296575).

211202121202113 is a wasteful number, since it uses less digits than its factorization.

211202121202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060900307303.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 211202121202113 its reverse (311202121202112), we get a palindrome (522404242404225).

Subtracting 211202121202113 from its reverse (311202121202112), we obtain a palindrome (99999999999999).

The spelling of 211202121202113 in words is "two hundred eleven trillion, two hundred two billion, one hundred twenty-one million, two hundred two thousand, one hundred thirteen".