4200021244351 has 2 divisors, whose sum is σ = 4200021244352. Its totient is φ = 4200021244350.

The previous prime is 4200021244333. The next prime is 4200021244379. The reversal of 4200021244351 is 1534421200024.

It is an a-pointer prime, because the next prime (4200021244379) can be obtained adding 4200021244351 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4200021244351 - 2¹⁵ = 4200021211583 is a prime.

It is a super-2 number, since 2×4200021244351² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4200021247351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100010622175 + 2100010622176.

It is an arithmetic number, because the mean of its divisors is an integer number (2100010622176).

Almost surely, 2^{4200021244351} is an apocalyptic number.

4200021244351 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200021244351 is an equidigital number, since it uses as much as digits as its factorization.

4200021244351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 4200021244351 its reverse (1534421200024), we get a palindrome (5734442444375).

The spelling of 4200021244351 in words is "four trillion, two hundred billion, twenty-one million, two hundred forty-four thousand, three hundred fifty-one".