101211002101 has 8 divisors (see below), whose sum is σ = 110416197600. Its totient is φ = 92006505840.

The previous prime is 101211002099. The next prime is 101211002111. The reversal of 101211002101 is 101200112101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101211002101 - 2¹ = 101211002099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211002111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 154890 + ... + 475828.

It is an arithmetic number, because the mean of its divisors is an integer number (13802024700).

Almost surely, 2^101211002101 is an apocalyptic number.

101211002101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101211002101 is a deficient number, since it is larger than the sum of its proper divisors (9205195499).

101211002101 is a wasteful number, since it uses less digits than its factorization.

101211002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349619.

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

Adding to 101211002101 its reverse (101200112101), we get a palindrome (202411114202).

Subtracting from 101211002101 its reverse (101200112101), we obtain a square (10890000 = 3300²).

The spelling of 101211002101 in words is "one hundred one billion, two hundred eleven million, two thousand, one hundred one".