1020121320130 has 64 divisors (see below), whose sum is σ = 2091012952320. Its totient is φ = 355010515200.

The previous prime is 1020121320121. The next prime is 1020121320139. The reversal of 1020121320130 is 310231210201.

It is an interprime number because it is at equal distance from previous prime (1020121320121) and next prime (1020121320139).

It is not an unprimeable number, because it can be changed into a prime (1020121320139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1806190 + ... + 2302729.

It is an arithmetic number, because the mean of its divisors is an integer number (32672077380).

Almost surely, 2^{1020121320130} is an apocalyptic number.

1020121320130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020121320130 is an abundant number, since it is smaller than the sum of its proper divisors (1070891632190).

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

1020121320130 is a wasteful number, since it uses less digits than its factorization.

1020121320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109035.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1020121320130 its reverse (310231210201), we get a palindrome (1330352530331).

The spelling of 1020121320130 in words is "one trillion, twenty billion, one hundred twenty-one million, three hundred twenty thousand, one hundred thirty".