101121020206 has 16 divisors (see below), whose sum is σ = 154706630400. Its totient is φ = 49561352568.

The previous prime is 101121020201. The next prime is 101121020207. The reversal of 101121020206 is 602020121101.

It is a self number, because there is not a number n which added to its sum of digits gives 101121020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121020201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2280220 + ... + 2324143.

It is an arithmetic number, because the mean of its divisors is an integer number (9669164400).

Almost surely, 2^101121020206 is an apocalyptic number.

101121020206 is a deficient number, since it is larger than the sum of its proper divisors (53585610194).

101121020206 is a wasteful number, since it uses less digits than its factorization.

101121020206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604583.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101121020206 its reverse (602020121101), we get a palindrome (703141141307).

The spelling of 101121020206 in words is "one hundred one billion, one hundred twenty-one million, twenty thousand, two hundred six".