101221221121122 has 8 divisors (see below), whose sum is σ = 202442442242256. Its totient is φ = 33740407040372.

The previous prime is 101221221121093. The next prime is 101221221121129. The reversal of 101221221121122 is 221121122122101.

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

101221221121122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (101221221121129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8435101760088 + ... + 8435101760099.

It is an arithmetic number, because the mean of its divisors is an integer number (25305305280282).

Almost surely, 2^{101221221121122} is an apocalyptic number.

101221221121122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101221221121122 is a wasteful number, since it uses less digits than its factorization.

101221221121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16870203520192.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 101221221121122 its reverse (221121122122101), we get a palindrome (322342343243223).

The spelling of 101221221121122 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".