101000122011000 has 384 divisors, whose sum is σ = 342523376395200. Its totient is φ = 26843289062400.

The previous prime is 101000122010989. The next prime is 101000122011049. The reversal of 101000122011000 is 110221000101.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5495399811 + ... + 5495418189.

Almost surely, 2^{101000122011000} is an apocalyptic number.

101000122011000 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 101000122011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171261688197600).

101000122011000 is an abundant number, since it is smaller than the sum of its proper divisors (241523254384200).

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

101000122011000 is a wasteful number, since it uses less digits than its factorization.

101000122011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20416 (or 20399 counting only the distinct ones).

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

Adding to 101000122011000 its reverse (110221000101), we get a palindrome (101110343011101).

The spelling of 101000122011000 in words is "one hundred one trillion, one hundred twenty-two million, eleven thousand".