141221100 has 72 divisors (see below), whose sum is σ = 415351888. Its totient is φ = 37036800.

The previous prime is 141221083. The next prime is 141221117. The reversal of 141221100 is 1122141.

It is a happy number.

141221100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (141221083) and next prime (141221117).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14442 + ... + 22158.

Almost surely, 2^141221100 is an apocalyptic number.

141221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207675944).

141221100 is an abundant number, since it is smaller than the sum of its proper divisors (274130788).

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

141221100 is a wasteful number, since it uses less digits than its factorization.

141221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7795 (or 7788 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 141221100 is about 11883.6484296701. The cubic root of 141221100 is about 520.7546980305.

Adding to 141221100 its reverse (1122141), we get a palindrome (142343241).

The spelling of 141221100 in words is "one hundred forty-one million, two hundred twenty-one thousand, one hundred".