101121211210210 has 16 divisors (see below), whose sum is σ = 182592370026936. Its totient is φ = 40320886739968.

The previous prime is 101121211210133. The next prime is 101121211210213. The reversal of 101121211210210 is 12012112121101.

It can be written as a sum of positive squares in 4 ways, for example, as 72457940401729 + 28663270808481 = 8512223^2 + 5353809^2 .

It is not an unprimeable number, because it can be changed into a prime (101121211210213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15949714687 + ... + 15949721026.

Almost surely, 2^{101121211210210} is an apocalyptic number.

101121211210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101121211210210 is a deficient number, since it is larger than the sum of its proper divisors (81471158816726).

101121211210210 is a wasteful number, since it uses less digits than its factorization.

101121211210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31899436037.

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

Adding to 101121211210210 its reverse (12012112121101), we get a palindrome (113133323331311).

The spelling of 101121211210210 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred eleven million, two hundred ten thousand, two hundred ten".