101321120244102 has 128 divisors (see below), whose sum is σ = 232619391599616. Its totient is φ = 29139552000000.

The previous prime is 101321120244017. The next prime is 101321120244119. The reversal of 101321120244102 is 201442021123101.

It is a super-2 number, since 2×101321120244102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 559691602 + ... + 559872602.

It is an arithmetic number, because the mean of its divisors is an integer number (1817338996872).

Almost surely, 2^{101321120244102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101321120244102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116309695799808).

101321120244102 is an abundant number, since it is smaller than the sum of its proper divisors (131298271355514).

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

101321120244102 is a wasteful number, since it uses less digits than its factorization.

101321120244102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186686.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 101321120244102 its reverse (201442021123101), we get a palindrome (302763141367203).

The spelling of 101321120244102 in words is "one hundred one trillion, three hundred twenty-one billion, one hundred twenty million, two hundred forty-four thousand, one hundred two".