210042253222142 has 32 divisors (see below), whose sum is σ = 367456713871104. Its totient is φ = 88985244067200.

The previous prime is 210042253222111. The next prime is 210042253222147. The reversal of 210042253222142 is 241222352240012.

It is a junction number, because it is equal to n+sod(n) for n = 210042253222099 and 210042253222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210042253222147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2726225084 + ... + 2726302127.

It is an arithmetic number, because the mean of its divisors is an integer number (11483022308472).

Almost surely, 2^{210042253222142} is an apocalyptic number.

210042253222142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210042253222142 is a deficient number, since it is larger than the sum of its proper divisors (157414460648962).

210042253222142 is a wasteful number, since it uses less digits than its factorization.

210042253222142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452527344.

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 210042253222142 in words is "two hundred ten trillion, forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-two".