102142224042 has 16 divisors (see below), whose sum is σ = 204291373440. Its totient is φ = 34046253792.

The previous prime is 102142224011. The next prime is 102142224073. The reversal of 102142224042 is 240422241201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102142224011) and next prime (102142224073).

It is a super-2 number, since 2×102142224042² (a number of 23 digits) contains 22 as substring.

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, 85867 + ... + 460062.

It is an arithmetic number, because the mean of its divisors is an integer number (12768210840).

Almost surely, 2^102142224042 is an apocalyptic number.

102142224042 is an abundant number, since it is smaller than the sum of its proper divisors (102149149398).

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

102142224042 is a wasteful number, since it uses less digits than its factorization.

102142224042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577117.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 102142224042 its reverse (240422241201), we get a palindrome (342564465243).

The spelling of 102142224042 in words is "one hundred two billion, one hundred forty-two million, two hundred twenty-four thousand, forty-two".