1021120312130 has 64 divisors (see below), whose sum is σ = 1929278227968. Its totient is φ = 388383367680.

The previous prime is 1021120312127. The next prime is 1021120312141. The reversal of 1021120312130 is 312130211201.

It is a junction number, because it is equal to n+sod(n) for n = 1021120312099 and 1021120312108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33800192 + ... + 33830388.

It is an arithmetic number, because the mean of its divisors is an integer number (30144972312).

Almost surely, 2^{1021120312130} is an apocalyptic number.

1021120312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021120312130 is a deficient number, since it is larger than the sum of its proper divisors (908157915838).

1021120312130 is a wasteful number, since it uses less digits than its factorization.

1021120312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31091.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021120312130 its reverse (312130211201), we get a palindrome (1333250523331).

The spelling of 1021120312130 in words is "one trillion, twenty-one billion, one hundred twenty million, three hundred twelve thousand, one hundred thirty".