101221011002122 has 16 divisors (see below), whose sum is σ = 165634586805600. Its totient is φ = 46009493465040.

The previous prime is 101221011002119. The next prime is 101221011002213. The reversal of 101221011002122 is 221200110122101.

It is a junction number, because it is equal to n+sod(n) for n = 101221011002096 and 101221011002105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19058029 + ... + 23783407.

It is an arithmetic number, because the mean of its divisors is an integer number (10352161675350).

Almost surely, 2^{101221011002122} is an apocalyptic number.

101221011002122 is a deficient number, since it is larger than the sum of its proper divisors (64413575803478).

101221011002122 is a wasteful number, since it uses less digits than its factorization.

101221011002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699061.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101221011002122 its reverse (221200110122101), we get a palindrome (322421121124223).

The spelling of 101221011002122 in words is "one hundred one trillion, two hundred twenty-one billion, eleven million, two thousand, one hundred twenty-two".