1021414354142 has 192 divisors, whose sum is σ = 2030649984000. Its totient is φ = 376173517824.

The previous prime is 1021414354141. The next prime is 1021414354159. The reversal of 1021414354142 is 2414534141201.

It is a junction number, because it is equal to n+sod(n) for n = 1021414354099 and 1021414354108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021414354141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1440640484 + ... + 1440641192.

It is an arithmetic number, because the mean of its divisors is an integer number (10576302000).

Almost surely, 2^{1021414354142} is an apocalyptic number.

1021414354142 is a deficient number, since it is larger than the sum of its proper divisors (1009235629858).

1021414354142 is a wasteful number, since it uses less digits than its factorization.

1021414354142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 1021414354142 its reverse (2414534141201), we get a palindrome (3435948495343).

The spelling of 1021414354142 in words is "one trillion, twenty-one billion, four hundred fourteen million, three hundred fifty-four thousand, one hundred forty-two".