101111022000 has 240 divisors, whose sum is σ = 353451440160. Its totient is φ = 26939712000.

The previous prime is 101111021983. The next prime is 101111022013. The reversal of 101111022000 is 220111101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (9).

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 47 ways as a sum of consecutive naturals, for example, 34756546 + ... + 34759454.

It is an arithmetic number, because the mean of its divisors is an integer number (1472714334).

Almost surely, 2^101111022000 is an apocalyptic number.

101111022000 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 101111022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176725720080).

101111022000 is an abundant number, since it is smaller than the sum of its proper divisors (252340418160).

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

101111022000 is a wasteful number, since it uses less digits than its factorization.

101111022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101111022000 its reverse (220111101), we get a palindrome (101331133101).

The spelling of 101111022000 in words is "one hundred one billion, one hundred eleven million, twenty-two thousand".