121020424010 has 8 divisors (see below), whose sum is σ = 217836763236. Its totient is φ = 48408169600.

The previous prime is 121020423961. The next prime is 121020424067. The reversal of 121020424010 is 10424020121.

It can be written as a sum of positive squares in 2 ways, for example, as 120236256001 + 784168009 = 346751^2 + 28003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121020424010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051021191 + ... + 6051021210.

Almost surely, 2^121020424010 is an apocalyptic number.

121020424010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020424010 is a deficient number, since it is larger than the sum of its proper divisors (96816339226).

121020424010 is a wasteful number, since it uses less digits than its factorization.

121020424010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12102042408.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121020424010 its reverse (10424020121), we get a palindrome (131444444131).

The spelling of 121020424010 in words is "one hundred twenty-one billion, twenty million, four hundred twenty-four thousand, ten".