101120121102221 has 16 divisors (see below), whose sum is σ = 115505135739840. Its totient is φ = 87753901772160.

The previous prime is 101120121102173. The next prime is 101120121102223. The reversal of 101120121102221 is 122201121021101.

It is a de Polignac number, because none of the positive numbers 2^k-101120121102221 is a prime.

It is a super-2 number, since 2×101120121102221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

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 101120121102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120121102223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562537120 + ... + 1562601833.

It is an arithmetic number, because the mean of its divisors is an integer number (7219070983740).

Almost surely, 2^{101120121102221} is an apocalyptic number.

It is an amenable number.

101120121102221 is a deficient number, since it is larger than the sum of its proper divisors (14385014637619).

101120121102221 is a wasteful number, since it uses less digits than its factorization.

101120121102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125139116.

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

Adding to 101120121102221 its reverse (122201121021101), we get a palindrome (223321242123322).

The spelling of 101120121102221 in words is "one hundred one trillion, one hundred twenty billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-one".