101221022110000 has 400 divisors, whose sum is σ = 266683768326976. Its totient is φ = 36982738944000.

The previous prime is 101221022109979. The next prime is 101221022110049. The reversal of 101221022110000 is 11220122101.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26686268104 + ... + 26686271896.

Almost surely, 2^{101221022110000} is an apocalyptic number.

101221022110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101221022110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133341884163488).

101221022110000 is an abundant number, since it is smaller than the sum of its proper divisors (165462746216976).

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

101221022110000 is a wasteful number, since it uses less digits than its factorization.

101221022110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930 (or 5909 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101221022110000 its reverse (11220122101), we get a palindrome (101232242232101).

The spelling of 101221022110000 in words is "one hundred one trillion, two hundred twenty-one billion, twenty-two million, one hundred ten thousand".