121020202100102 has 64 divisors (see below), whose sum is σ = 193524310425600. Its totient is φ = 56598387300000.

The previous prime is 121020202100093. The next prime is 121020202100191. The reversal of 121020202100102 is 201001202020121.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1138221299 + ... + 1138327617.

It is an arithmetic number, because the mean of its divisors is an integer number (3023817350400).

Almost surely, 2^{121020202100102} is an apocalyptic number.

121020202100102 is a deficient number, since it is larger than the sum of its proper divisors (72504108325498).

121020202100102 is a wasteful number, since it uses less digits than its factorization.

121020202100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107633.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121020202100102 its reverse (201001202020121), we get a palindrome (322021404120223).

The spelling of 121020202100102 in words is "one hundred twenty-one trillion, twenty billion, two hundred two million, one hundred thousand, one hundred two".