201822888142 has 4 divisors (see below), whose sum is σ = 302734332216. Its totient is φ = 100911444070.

The previous prime is 201822888109. The next prime is 201822888181. The reversal of 201822888142 is 241888228102.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 201822888092 and 201822888101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50455722034 + ... + 50455722037.

It is an arithmetic number, because the mean of its divisors is an integer number (75683583054).

Almost surely, 2^201822888142 is an apocalyptic number.

201822888142 is a deficient number, since it is larger than the sum of its proper divisors (100911444074).

201822888142 is a wasteful number, since it uses less digits than its factorization.

201822888142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100911444073.

The product of its (nonzero) digits is 262144, while the sum is 46.

The spelling of 201822888142 in words is "two hundred one billion, eight hundred twenty-two million, eight hundred eighty-eight thousand, one hundred forty-two".