10101221012000 has 96 divisors (see below), whose sum is σ = 25346757945600. Its totient is φ = 3954520492800.

The previous prime is 10101221011993. The next prime is 10101221012011. The reversal of 10101221012000 is 21012210101.

10101221012000 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, 26676950 + ... + 27052949.

It is an arithmetic number, because the mean of its divisors is an integer number (264028728600).

Almost surely, 2^{10101221012000} is an apocalyptic number.

10101221012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101221012000 is an abundant number, since it is smaller than the sum of its proper divisors (15245536933600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101221012000 is an equidigital number, since it uses as much as digits as its factorization.

10101221012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53729971 (or 53729953 counting only the distinct ones).

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

Adding to 10101221012000 its reverse (21012210101), we get a palindrome (10122233222101).

The spelling of 10101221012000 in words is "ten trillion, one hundred one billion, two hundred twenty-one million, twelve thousand".