2021420151083 has 2 divisors, whose sum is σ = 2021420151084. Its totient is φ = 2021420151082.

The previous prime is 2021420151067. The next prime is 2021420151137. The reversal of 2021420151083 is 3801510241202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021420151083 - 2⁴ = 2021420151067 is a prime.

It is a super-2 number, since 2×2021420151083² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2021420151383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010710075541 + 1010710075542.

It is an arithmetic number, because the mean of its divisors is an integer number (1010710075542).

Almost surely, 2^{2021420151083} is an apocalyptic number.

2021420151083 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021420151083 is an equidigital number, since it uses as much as digits as its factorization.

2021420151083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 2021420151083 its reverse (3801510241202), we get a palindrome (5822930392285).

The spelling of 2021420151083 in words is "two trillion, twenty-one billion, four hundred twenty million, one hundred fifty-one thousand, eighty-three".