101022001221000 has 256 divisors, whose sum is σ = 321808585512960. Its totient is φ = 26378209017600.

The previous prime is 101022001220999. The next prime is 101022001221017. The reversal of 101022001221000 is 122100220101.

101022001221000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 32062219 + ... + 35071781.

It is an arithmetic number, because the mean of its divisors is an integer number (1257064787160).

Almost surely, 2^{101022001221000} is an apocalyptic number.

101022001221000 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 101022001221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160904292756480).

101022001221000 is an abundant number, since it is smaller than the sum of its proper divisors (220786584291960).

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

101022001221000 is a wasteful number, since it uses less digits than its factorization.

101022001221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009821 (or 3009807 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101022001221000 its reverse (122100220101), we get a palindrome (101144101441101).

The spelling of 101022001221000 in words is "one hundred one trillion, twenty-two billion, one million, two hundred twenty-one thousand".