113212121102 has 8 divisors (see below), whose sum is σ = 172144458336. Its totient is φ = 55830634992.

The previous prime is 113212121083. The next prime is 113212121111. The reversal of 113212121102 is 201121212311.

It is a happy number.

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

It is a congruent number.

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, 387712598 + ... + 387712889.

It is an arithmetic number, because the mean of its divisors is an integer number (21518057292).

Almost surely, 2^113212121102 is an apocalyptic number.

113212121102 is a deficient number, since it is larger than the sum of its proper divisors (58932337234).

113212121102 is an equidigital number, since it uses as much as digits as its factorization.

113212121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775425562.

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

Adding to 113212121102 its reverse (201121212311), we get a palindrome (314333333413).

The spelling of 113212121102 in words is "one hundred thirteen billion, two hundred twelve million, one hundred twenty-one thousand, one hundred two".