101210032121100 has 288 divisors, whose sum is σ = 335349208276992. Its totient is φ = 23086670880000.

The previous prime is 101210032120991. The next prime is 101210032121111. The reversal of 101210032121100 is 1121230012101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101210032121100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2087167855 + ... + 2087216345.

It is an arithmetic number, because the mean of its divisors is an integer number (1164406973184).

Almost surely, 2^{101210032121100} is an apocalyptic number.

101210032121100 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 101210032121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167674604138496).

101210032121100 is an abundant number, since it is smaller than the sum of its proper divisors (234139176155892).

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

101210032121100 is a wasteful number, since it uses less digits than its factorization.

101210032121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50517 (or 50510 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101210032121100 its reverse (1121230012101), we get a palindrome (102331262133201).

The spelling of 101210032121100 in words is "one hundred one trillion, two hundred ten billion, thirty-two million, one hundred twenty-one thousand, one hundred".