142100222230100 has 72 divisors (see below), whose sum is σ = 310129108466688. Its totient is φ = 56513823683200.

The previous prime is 142100222230081. The next prime is 142100222230123. The reversal of 142100222230100 is 1032222001241.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 35798897 + ... + 39569703.

It is an arithmetic number, because the mean of its divisors is an integer number (4307348728704).

Almost surely, 2^{142100222230100} is an apocalyptic number.

142100222230100 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 142100222230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155064554233344).

142100222230100 is an abundant number, since it is smaller than the sum of its proper divisors (168028886236588).

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

142100222230100 is a wasteful number, since it uses less digits than its factorization.

142100222230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772985 (or 3772978 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 142100222230100 its reverse (1032222001241), we get a palindrome (143132444231341).

The spelling of 142100222230100 in words is "one hundred forty-two trillion, one hundred billion, two hundred twenty-two million, two hundred thirty thousand, one hundred".