122101220221010 has 16 divisors (see below), whose sum is σ = 220897842068376. Its totient is φ = 48592566828288.

The previous prime is 122101220220949. The next prime is 122101220221067. The reversal of 122101220221010 is 10122022101221.

It can be written as a sum of positive squares in 4 ways, for example, as 118610679067609 + 3490541153401 = 10890853^2 + 1868299^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122101220221010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30990155447 + ... + 30990159386.

Almost surely, 2^{122101220221010} is an apocalyptic number.

122101220221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122101220221010 is a deficient number, since it is larger than the sum of its proper divisors (98796621847366).

122101220221010 is a wasteful number, since it uses less digits than its factorization.

122101220221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61980315037.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122101220221010 its reverse (10122022101221), we get a palindrome (132223242322231).

The spelling of 122101220221010 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty million, two hundred twenty-one thousand, ten".