101210211122122 has 8 divisors (see below), whose sum is σ = 152820716131872. Its totient is φ = 50269972411500.

The previous prime is 101210211122071. The next prime is 101210211122123. The reversal of 101210211122122 is 221221112012101.

It is a happy number.

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 101210211122122.

It is not an unprimeable number, because it can be changed into a prime (101210211122123) 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, 167566574404 + ... + 167566575007.

It is an arithmetic number, because the mean of its divisors is an integer number (19102589516484).

Almost surely, 2^{101210211122122} is an apocalyptic number.

101210211122122 is a deficient number, since it is larger than the sum of its proper divisors (51610505009750).

101210211122122 is a wasteful number, since it uses less digits than its factorization.

101210211122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335133149564.

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

Adding to 101210211122122 its reverse (221221112012101), we get a palindrome (322431323134223).

The spelling of 101210211122122 in words is "one hundred one trillion, two hundred ten billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty-two".