121020103120202 has 128 divisors (see below), whose sum is σ = 229827930958080. Its totient is φ = 46941992386560.

The previous prime is 121020103120181. The next prime is 121020103120207. The reversal of 121020103120202 is 202021301020121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (121020103120207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 348932858 + ... + 349279514.

It is an arithmetic number, because the mean of its divisors is an integer number (1795530710610).

Almost surely, 2^{121020103120202} is an apocalyptic number.

121020103120202 is a deficient number, since it is larger than the sum of its proper divisors (108807827837878).

121020103120202 is a wasteful number, since it uses less digits than its factorization.

121020103120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347976.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121020103120202 its reverse (202021301020121), we get a palindrome (323041404140323).

The spelling of 121020103120202 in words is "one hundred twenty-one trillion, twenty billion, one hundred three million, one hundred twenty thousand, two hundred two".