142124210021100 has 144 divisors (see below), whose sum is σ = 436635135625248. Its totient is φ = 35569340252160.

The previous prime is 142124210021047. The next prime is 142124210021113. The reversal of 142124210021100 is 1120012421241.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37672069 + ... + 41272668.

It is an arithmetic number, because the mean of its divisors is an integer number (3032188441842).

Almost surely, 2^{142124210021100} is an apocalyptic number.

142124210021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142124210021100 is an abundant number, since it is smaller than the sum of its proper divisors (294510925604148).

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

142124210021100 is a wasteful number, since it uses less digits than its factorization.

142124210021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78945124 (or 78945117 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 142124210021100 its reverse (1120012421241), we get a palindrome (143244222442341).

The spelling of 142124210021100 in words is "one hundred forty-two trillion, one hundred twenty-four billion, two hundred ten million, twenty-one thousand, one hundred".