220121020010 has 8 divisors (see below), whose sum is σ = 396217836036. Its totient is φ = 88048408000.

The previous prime is 220121019997. The next prime is 220121020033. The reversal of 220121020010 is 10020121022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219789379489 + 331640521 = 468817^2 + 18211^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 220121019973 and 220121020000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11006050991 + ... + 11006051010.

Almost surely, 2^220121020010 is an apocalyptic number.

220121020010 is a deficient number, since it is larger than the sum of its proper divisors (176096816026).

220121020010 is a wasteful number, since it uses less digits than its factorization.

220121020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22012102008.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220121020010 its reverse (10020121022), we get a palindrome (230141141032).

The spelling of 220121020010 in words is "two hundred twenty billion, one hundred twenty-one million, twenty thousand, ten".