121010020201010 has 16 divisors (see below), whose sum is σ = 218337888484800. Its totient is φ = 48288485386416.

The previous prime is 121010020200973. The next prime is 121010020201039. The reversal of 121010020201010 is 10102020010121.

It is a junction number, because it is equal to n+sod(n) for n = 121010020200982 and 121010020201000.

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, 14440332350 + ... + 14440340729.

It is an arithmetic number, because the mean of its divisors is an integer number (13646118030300).

Almost surely, 2^{121010020201010} is an apocalyptic number.

121010020201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010020201010 is a deficient number, since it is larger than the sum of its proper divisors (97327868283790).

121010020201010 is a wasteful number, since it uses less digits than its factorization.

121010020201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28880673505.

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

Adding to 121010020201010 its reverse (10102020010121), we get a palindrome (131112040211131).

The spelling of 121010020201010 in words is "one hundred twenty-one trillion, ten billion, twenty million, two hundred one thousand, ten".