202421112071 has 2 divisors, whose sum is σ = 202421112072. Its totient is φ = 202421112070.

The previous prime is 202421112059. The next prime is 202421112139. The reversal of 202421112071 is 170211124202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202421112071 - 2⁶ = 202421112007 is a prime.

It is a super-2 number, since 2×202421112071² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202421112031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101210556035 + 101210556036.

It is an arithmetic number, because the mean of its divisors is an integer number (101210556036).

Almost surely, 2^202421112071 is an apocalyptic number.

202421112071 is a deficient number, since it is larger than the sum of its proper divisors (1).

202421112071 is an equidigital number, since it uses as much as digits as its factorization.

202421112071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 202421112071 its reverse (170211124202), we get a palindrome (372632236273).

The spelling of 202421112071 in words is "two hundred two billion, four hundred twenty-one million, one hundred twelve thousand, seventy-one".