2021142133142 has 16 divisors (see below), whose sum is σ = 3307345678800. Its totient is φ = 918694806240.

The previous prime is 2021142133111. The next prime is 2021142133151. The reversal of 2021142133142 is 2413312411202.

It is a happy number.

It is a congruent number.

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, 5373284 + ... + 5737112.

It is an arithmetic number, because the mean of its divisors is an integer number (206709104925).

Almost surely, 2^{2021142133142} is an apocalyptic number.

2021142133142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021142133142 is a deficient number, since it is larger than the sum of its proper divisors (1286203545658).

2021142133142 is a wasteful number, since it uses less digits than its factorization.

2021142133142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616351.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 2021142133142 its reverse (2413312411202), we get a palindrome (4434454544344).

The spelling of 2021142133142 in words is "two trillion, twenty-one billion, one hundred forty-two million, one hundred thirty-three thousand, one hundred forty-two".