102212122111424 has 56 divisors (see below), whose sum is σ = 220591936796448. Its totient is φ = 46707748070400.

The previous prime is 102212122111423. The next prime is 102212122111483. The reversal of 102212122111424 is 424111221212201.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 102212122111393 and 102212122111402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212122111423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608089772 + ... + 608257835.

It is an arithmetic number, because the mean of its divisors is an integer number (3939141728508).

Almost surely, 2^{102212122111424} is an apocalyptic number.

It is an amenable number.

102212122111424 is an abundant number, since it is smaller than the sum of its proper divisors (118379814685024).

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

102212122111424 is a wasteful number, since it uses less digits than its factorization.

102212122111424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216347733 (or 1216347723 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 102212122111424 its reverse (424111221212201), we get a palindrome (526323343323625).

The spelling of 102212122111424 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, four hundred twenty-four".