102224144121442 has 16 divisors (see below), whose sum is σ = 175241520115200. Its totient is φ = 43810314932448.

The previous prime is 102224144121431. The next prime is 102224144121461. The reversal of 102224144121442 is 244121441422201.

It is a super-2 number, since 2×102224144121442² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102224144121398 and 102224144121407.

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, 33212838 + ... + 36159934.

It is an arithmetic number, because the mean of its divisors is an integer number (10952595007200).

Almost surely, 2^{102224144121442} is an apocalyptic number.

102224144121442 is a deficient number, since it is larger than the sum of its proper divisors (73017375993758).

102224144121442 is a wasteful number, since it uses less digits than its factorization.

102224144121442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424705.

The product of its (nonzero) digits is 32768, while the sum is 34.

Adding to 102224144121442 its reverse (244121441422201), we get a palindrome (346345585543643).

The spelling of 102224144121442 in words is "one hundred two trillion, two hundred twenty-four billion, one hundred forty-four million, one hundred twenty-one thousand, four hundred forty-two".