101211100210000 has 400 divisors, whose sum is σ = 284481194627520. Its totient is φ = 34463134720000.

The previous prime is 101211100209991. The next prime is 101211100210027. The reversal of 101211100210000 is 12001112101.

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 (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 368252631 + ... + 368527369.

Almost surely, 2^{101211100210000} is an apocalyptic number.

101211100210000 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 101211100210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142240597313760).

101211100210000 is an abundant number, since it is smaller than the sum of its proper divisors (183270094417520).

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

101211100210000 is a wasteful number, since it uses less digits than its factorization.

101211100210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274992 (or 274971 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101211100210000 its reverse (12001112101), we get a palindrome (101223101322101).

The spelling of 101211100210000 in words is "one hundred one trillion, two hundred eleven billion, one hundred million, two hundred ten thousand".