121112111222002 has 16 divisors (see below), whose sum is σ = 189568643935680. Its totient is φ = 57922614942192.

The previous prime is 121112111221993. The next prime is 121112111222009. The reversal of 121112111222002 is 200222111211121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121112111222009) 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, 8169633 + ... + 17577460.

It is an arithmetic number, because the mean of its divisors is an integer number (11848040245980).

Almost surely, 2^{121112111222002} is an apocalyptic number.

121112111222002 is a deficient number, since it is larger than the sum of its proper divisors (68456532713678).

121112111222002 is a wasteful number, since it uses less digits than its factorization.

121112111222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25849377.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121112111222002 its reverse (200222111211121), we get a palindrome (321334222433123).

The spelling of 121112111222002 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-two thousand, two".