121020101210102 has 32 divisors (see below), whose sum is σ = 199482735052800. Its totient is φ = 54808060399488.

The previous prime is 121020101210101. The next prime is 121020101210227. The reversal of 121020101210102 is 201012101020121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020101210101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29441027 + ... + 33298862.

It is an arithmetic number, because the mean of its divisors is an integer number (6233835470400).

Almost surely, 2^{121020101210102} is an apocalyptic number.

121020101210102 is a deficient number, since it is larger than the sum of its proper divisors (78462633842698).

121020101210102 is a wasteful number, since it uses less digits than its factorization.

121020101210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62742140.

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

Adding to 121020101210102 its reverse (201012101020121), we get a palindrome (322032202230223).

The spelling of 121020101210102 in words is "one hundred twenty-one trillion, twenty billion, one hundred one million, two hundred ten thousand, one hundred two".