10100221450 has 24 divisors (see below), whose sum is σ = 20494268640. Its totient is φ = 3672807600.

The previous prime is 10100221447. The next prime is 10100221477. The reversal of 10100221450 is 5412200101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9181470 + ... + 9182569.

It is an arithmetic number, because the mean of its divisors is an integer number (853927860).

Almost surely, 2^10100221450 is an apocalyptic number.

10100221450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100221450 is an abundant number, since it is smaller than the sum of its proper divisors (10394047190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10100221450 is a wasteful number, since it uses less digits than its factorization.

10100221450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18364062 (or 18364057 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 10100221450 its reverse (5412200101), we get a palindrome (15512421551).

The spelling of 10100221450 in words is "ten billion, one hundred million, two hundred twenty-one thousand, four hundred fifty".