88421101 has 2 divisors, whose sum is σ = 88421102. Its totient is φ = 88421100.

The previous prime is 88421093. The next prime is 88421141. The reversal of 88421101 is 10112488.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88172100 + 249001 = 9390^2 + 499^2 .

It is a cyclic number.

It is not a de Polignac number, because 88421101 - 2³ = 88421093 is a prime.

It is a super-2 number, since 2×88421101² = 15636582204104402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88421141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44210550 + 44210551.

It is an arithmetic number, because the mean of its divisors is an integer number (44210551).

Almost surely, 2^88421101 is an apocalyptic number.

It is an amenable number.

88421101 is a deficient number, since it is larger than the sum of its proper divisors (1).

88421101 is an equidigital number, since it uses as much as digits as its factorization.

88421101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 88421101 is about 9403.2494915322. The cubic root of 88421101 is about 445.5043744582.

Adding to 88421101 its reverse (10112488), we get a palindrome (98533589).

The spelling of 88421101 in words is "eighty-eight million, four hundred twenty-one thousand, one hundred one".