101210221121118 has 16 divisors (see below), whose sum is σ = 206239695870096. Its totient is φ = 33100198102400.

The previous prime is 101210221121039. The next prime is 101210221121129. The reversal of 101210221121118 is 811121122012101.

It is a congruent number.

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, 159135567483 + ... + 159135568118.

It is an arithmetic number, because the mean of its divisors is an integer number (12889980991881).

Almost surely, 2^{101210221121118} is an apocalyptic number.

101210221121118 is an abundant number, since it is smaller than the sum of its proper divisors (105029474748978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101210221121118 is a wasteful number, since it uses less digits than its factorization.

101210221121118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318271135659.

The product of its (nonzero) digits is 128, while the sum is 24.

Adding to 101210221121118 its reverse (811121122012101), we get a palindrome (912331343133219).

The spelling of 101210221121118 in words is "one hundred one trillion, two hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred eighteen".