211131121202 has 8 divisors (see below), whose sum is σ = 320705500800. Its totient is φ = 104229287604.

The previous prime is 211131121193. The next prime is 211131121211. The reversal of 211131121202 is 202121131112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211131121193) and next prime (211131121211).

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

It is a super-2 number, since 2×211131121202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668136302 + ... + 668136617.

It is an arithmetic number, because the mean of its divisors is an integer number (40088187600).

Almost surely, 2^211131121202 is an apocalyptic number.

211131121202 is a deficient number, since it is larger than the sum of its proper divisors (109574379598).

211131121202 is a wasteful number, since it uses less digits than its factorization.

211131121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336273000.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211131121202 its reverse (202121131112), we get a palindrome (413252252314).

The spelling of 211131121202 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred twenty-one thousand, two hundred two".