10101221020010 has 8 divisors (see below), whose sum is σ = 18182197836036. Its totient is φ = 4040488408000.

The previous prime is 10101221019979. The next prime is 10101221020019. The reversal of 10101221020010 is 1002012210101.

It can be written as a sum of positive squares in 2 ways, for example, as 9401527248481 + 699693771529 = 3066191^2 + 836477^2 .

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 = 10101221019973 and 10101221020000.

It is not an unprimeable number, because it can be changed into a prime (10101221020019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505061050991 + ... + 505061051010.

Almost surely, 2^{10101221020010} is an apocalyptic number.

10101221020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101221020010 is a deficient number, since it is larger than the sum of its proper divisors (8080976816026).

10101221020010 is a wasteful number, since it uses less digits than its factorization.

10101221020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010122102008.

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

Adding to 10101221020010 its reverse (1002012210101), we get a palindrome (11103233230111).

The spelling of 10101221020010 in words is "ten trillion, one hundred one billion, two hundred twenty-one million, twenty thousand, ten".