121210100112002 has 48 divisors (see below), whose sum is σ = 200633676762456. Its totient is φ = 54878478336000.

The previous prime is 121210100111999. The next prime is 121210100112019. The reversal of 121210100112002 is 200211001012121.

It can be written as a sum of positive squares in 4 ways, for example, as 114947538806881 + 6262561305121 = 10721359^2 + 2502511^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1930035002 + ... + 1930097802.

Almost surely, 2^{121210100112002} is an apocalyptic number.

121210100112002 is a deficient number, since it is larger than the sum of its proper divisors (79423576650454).

121210100112002 is a wasteful number, since it uses less digits than its factorization.

121210100112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94115 (or 94104 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121210100112002 its reverse (200211001012121), we get a palindrome (321421101124123).

The spelling of 121210100112002 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred million, one hundred twelve thousand, two".