10001001222010 has 32 divisors (see below), whose sum is σ = 19061054038800. Its totient is φ = 3765019149312.

The previous prime is 10001001221977. The next prime is 10001001222059. The reversal of 10001001222010 is 1022210010001.

It can be written as a sum of positive squares in 8 ways, for example, as 2682510038569 + 7318491183441 = 1637837^2 + 2705271^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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 15 ways as a sum of consecutive naturals, for example, 10269532 + ... + 11201128.

Almost surely, 2^{10001001222010} is an apocalyptic number.

10001001222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001001222010 is a deficient number, since it is larger than the sum of its proper divisors (9060052816790).

10001001222010 is a wasteful number, since it uses less digits than its factorization.

10001001222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994770.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10001001222010 its reverse (1022210010001), we get a palindrome (11023211232011).

The spelling of 10001001222010 in words is "ten trillion, one billion, one million, two hundred twenty-two thousand, ten".