2021420151052 has 6 divisors (see below), whose sum is σ = 3537485264348. Its totient is φ = 1010710075524.

The previous prime is 2021420150993. The next prime is 2021420151067. The reversal of 2021420151052 is 2501510241202.

It is a super-2 number, since 2×2021420151052² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252677518878 + ... + 252677518885.

Almost surely, 2^{2021420151052} is an apocalyptic number.

It is an amenable number.

2021420151052 is a deficient number, since it is larger than the sum of its proper divisors (1516065113296).

2021420151052 is a wasteful number, since it uses less digits than its factorization.

2021420151052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505355037767 (or 505355037765 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 2021420151052 its reverse (2501510241202), we get a palindrome (4522930392254).

The spelling of 2021420151052 in words is "two trillion, twenty-one billion, four hundred twenty million, one hundred fifty-one thousand, fifty-two".