10211221221010 has 32 divisors (see below), whose sum is σ = 18421311651840. Its totient is φ = 4075353036672.

The previous prime is 10211221220951. The next prime is 10211221221029. The reversal of 10211221221010 is 1012212211201.

10211221221010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126306381 + ... + 126387199.

It is an arithmetic number, because the mean of its divisors is an integer number (575665989120).

Almost surely, 2^{10211221221010} is an apocalyptic number.

10211221221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211221221010 is a deficient number, since it is larger than the sum of its proper divisors (8210090430830).

10211221221010 is a wasteful number, since it uses less digits than its factorization.

10211221221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108930.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211221221010 its reverse (1012212211201), we get a palindrome (11223433432211).

The spelling of 10211221221010 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty-one thousand, ten".