141221894370 has 64 divisors (see below), whose sum is σ = 346792458240. Its totient is φ = 36793683648.

The previous prime is 141221894353. The next prime is 141221894371. The reversal of 141221894370 is 73498122141.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141221894371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43767 + ... + 533253.

It is an arithmetic number, because the mean of its divisors is an integer number (5418632160).

Almost surely, 2^141221894370 is an apocalyptic number.

141221894370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 141221894370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173396229120).

141221894370 is an abundant number, since it is smaller than the sum of its proper divisors (205570563870).

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

141221894370 is a wasteful number, since it uses less digits than its factorization.

141221894370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489719.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 141221894370 in words is "one hundred forty-one billion, two hundred twenty-one million, eight hundred ninety-four thousand, three hundred seventy".