1021120100242 has 8 divisors (see below), whose sum is σ = 1670923800432. Its totient is φ = 464145500100.

The previous prime is 1021120100207. The next prime is 1021120100251. The reversal of 1021120100242 is 2420010211201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23207274984 + ... + 23207275027.

It is an arithmetic number, because the mean of its divisors is an integer number (208865475054).

Almost surely, 2^{1021120100242} is an apocalyptic number.

1021120100242 is a deficient number, since it is larger than the sum of its proper divisors (649803700190).

1021120100242 is a wasteful number, since it uses less digits than its factorization.

1021120100242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46414550024.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1021120100242 its reverse (2420010211201), we get a palindrome (3441130311443).

The spelling of 1021120100242 in words is "one trillion, twenty-one billion, one hundred twenty million, one hundred thousand, two hundred forty-two".