121112222102 has 8 divisors (see below), whose sum is σ = 184379801016. Its totient is φ = 59652288432.

The previous prime is 121112222081. The next prime is 121112222107. The reversal of 121112222102 is 201222211121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112222107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451911143 + ... + 451911410.

It is an arithmetic number, because the mean of its divisors is an integer number (23047475127).

Almost surely, 2^121112222102 is an apocalyptic number.

121112222102 is a deficient number, since it is larger than the sum of its proper divisors (63267578914).

121112222102 is an equidigital number, since it uses as much as digits as its factorization.

121112222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903822622.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121112222102 its reverse (201222211121), we get a palindrome (322334433223).

The spelling of 121112222102 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred two".