121020210000102 has 64 divisors (see below), whose sum is σ = 290155704090624. Its totient is φ = 32900684662560.

The previous prime is 121020210000101. The next prime is 121020210000121. The reversal of 121020210000102 is 201000012020121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020210000101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327772878 + ... + 328141889.

It is an arithmetic number, because the mean of its divisors is an integer number (4533682876416).

Almost surely, 2^{121020210000102} is an apocalyptic number.

121020210000102 is an abundant number, since it is smaller than the sum of its proper divisors (169135494090522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121020210000102 is a wasteful number, since it uses less digits than its factorization.

121020210000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655914993.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121020210000102 its reverse (201000012020121), we get a palindrome (322020222020223).

The spelling of 121020210000102 in words is "one hundred twenty-one trillion, twenty billion, two hundred ten million, one hundred two", and thus it is an aban number.