102022142142 has 16 divisors (see below), whose sum is σ = 204096343680. Its totient is φ = 33998704152.

The previous prime is 102022142111. The next prime is 102022142147. The reversal of 102022142142 is 241241220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022142147) 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, 2143642 + ... + 2190717.

It is an arithmetic number, because the mean of its divisors is an integer number (12756021480).

Almost surely, 2^102022142142 is an apocalyptic number.

102022142142 is an abundant number, since it is smaller than the sum of its proper divisors (102074201538).

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

102022142142 is a wasteful number, since it uses less digits than its factorization.

102022142142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338287.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102022142142 its reverse (241241220201), we get a palindrome (343263362343).

The spelling of 102022142142 in words is "one hundred two billion, twenty-two million, one hundred forty-two thousand, one hundred forty-two".