101221121102102 has 16 divisors (see below), whose sum is σ = 155364342674112. Its totient is φ = 49433032509000.

The previous prime is 101221121102099. The next prime is 101221121102137. The reversal of 101221121102102 is 201201121122101.

It is a congruent number.

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, 1593977 + ... + 14317227.

It is an arithmetic number, because the mean of its divisors is an integer number (9710271417132).

Almost surely, 2^{101221121102102} is an apocalyptic number.

101221121102102 is a deficient number, since it is larger than the sum of its proper divisors (54143221572010).

101221121102102 is a wasteful number, since it uses less digits than its factorization.

101221121102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815803.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101221121102102 its reverse (201201121122101), we get a palindrome (302422242224203).

The spelling of 101221121102102 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred two thousand, one hundred two".