1021110120930 has 16 divisors (see below), whose sum is σ = 2450664290304. Its totient is φ = 272296032240.

The previous prime is 1021110120923. The next prime is 1021110120931. The reversal of 1021110120930 is 390210111201.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021110120897 and 1021110120906.

It is not an unprimeable number, because it can be changed into a prime (1021110120931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17018501986 + ... + 17018502045.

It is an arithmetic number, because the mean of its divisors is an integer number (153166518144).

Almost surely, 2^{1021110120930} is an apocalyptic number.

1021110120930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021110120930 is an abundant number, since it is smaller than the sum of its proper divisors (1429554169374).

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

1021110120930 is a wasteful number, since it uses less digits than its factorization.

1021110120930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34037004041.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 1021110120930 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred twenty thousand, nine hundred thirty".