2142021402082 has 8 divisors (see below), whose sum is σ = 3402033991596. Its totient is φ = 1008010071552.

The previous prime is 2142021402071. The next prime is 2142021402091. The reversal of 2142021402082 is 2802041202412.

It can be written as a sum of positive squares in 2 ways, for example, as 1961565512481 + 180455889601 = 1400559^2 + 424801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2142021402082² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2142021402082.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31500314703 + ... + 31500314770.

Almost surely, 2^{2142021402082} is an apocalyptic number.

2142021402082 is a deficient number, since it is larger than the sum of its proper divisors (1260012589514).

2142021402082 is a wasteful number, since it uses less digits than its factorization.

2142021402082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63000629492.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 2142021402082 its reverse (2802041202412), we get a palindrome (4944062604494).

The spelling of 2142021402082 in words is "two trillion, one hundred forty-two billion, twenty-one million, four hundred two thousand, eighty-two".