121100100012002 has 16 divisors (see below), whose sum is σ = 181794062829240. Its totient is φ = 60502091999232.

The previous prime is 121100100011999. The next prime is 121100100012049. The reversal of 121100100012002 is 200210001001121.

It can be written as a sum of positive squares in 4 ways, for example, as 108967689460081 + 12132410551921 = 10438759^2 + 3483161^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15523874 + ... + 21981602.

Almost surely, 2^{121100100012002} is an apocalyptic number.

121100100012002 is a deficient number, since it is larger than the sum of its proper divisors (60693962817238).

121100100012002 is a wasteful number, since it uses less digits than its factorization.

121100100012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465157.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121100100012002 its reverse (200210001001121), we get a palindrome (321310101013123).

The spelling of 121100100012002 in words is "one hundred twenty-one trillion, one hundred billion, one hundred million, twelve thousand, two".