10211221012010 has 32 divisors (see below), whose sum is σ = 19463399746560. Its totient is φ = 3843826589952.

The previous prime is 10211221012009. The next prime is 10211221012019. The reversal of 10211221012010 is 1021012211201.

It is a super-2 number, since 2×10211221012010² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10211221012019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457474 + ... + 4748333.

It is an arithmetic number, because the mean of its divisors is an integer number (608231242080).

Almost surely, 2^{10211221012010} is an apocalyptic number.

10211221012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211221012010 is a deficient number, since it is larger than the sum of its proper divisors (9252178734550).

10211221012010 is a wasteful number, since it uses less digits than its factorization.

10211221012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215510.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10211221012010 its reverse (1021012211201), we get a palindrome (11232233223211).

The spelling of 10211221012010 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, twelve thousand, ten".