101221012211122 has 8 divisors (see below), whose sum is σ = 157067087913900. Its totient is φ = 48865316239824.

The previous prime is 101221012211107. The next prime is 101221012211149. The reversal of 101221012211122 is 221112210122101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96441414970681 + 4779597240441 = 9820459^2 + 2186229^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 101221012211122.

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 3 ways as a sum of consecutive naturals, for example, 872594932797 + ... + 872594932912.

Almost surely, 2^{101221012211122} is an apocalyptic number.

101221012211122 is a deficient number, since it is larger than the sum of its proper divisors (55846075702778).

101221012211122 is a wasteful number, since it uses less digits than its factorization.

101221012211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745189865740.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101221012211122 its reverse (221112210122101), we get a palindrome (322333222333223).

The spelling of 101221012211122 in words is "one hundred one trillion, two hundred twenty-one billion, twelve million, two hundred eleven thousand, one hundred twenty-two".