121010020010 has 48 divisors (see below), whose sum is σ = 241790562216. Its totient is φ = 43567920000.

The previous prime is 121010020003. The next prime is 121010020031. The reversal of 121010020010 is 10020010121.

121010020010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 118929109321 + 2080910689 = 344861^2 + 45617^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121010020010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372881 + ... + 617300.

Almost surely, 2^121010020010 is an apocalyptic number.

121010020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010020010 is a deficient number, since it is larger than the sum of its proper divisors (120780542206).

121010020010 is a wasteful number, since it uses less digits than its factorization.

121010020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990311 (or 990300 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 121010020010 its reverse (10020010121), we get a palindrome (131030030131).

It can be divided in two parts, 1210 and 10020010, that multiplied together give a square (12124212100 = 110110²).

The spelling of 121010020010 in words is "one hundred twenty-one billion, ten million, twenty thousand, ten".