1021153231030 has 32 divisors (see below), whose sum is σ = 1895769878400. Its totient is φ = 395812483200.

The previous prime is 1021153231027. The next prime is 1021153231151. The reversal of 1021153231030 is 301323511201.

It is a junction number, because it is equal to n+sod(n) for n = 1021153230992 and 1021153231010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10708305 + ... + 10803244.

It is an arithmetic number, because the mean of its divisors is an integer number (59242808700).

Almost surely, 2^{1021153231030} is an apocalyptic number.

1021153231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021153231030 is a deficient number, since it is larger than the sum of its proper divisors (874616647370).

1021153231030 is a wasteful number, since it uses less digits than its factorization.

1021153231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21511704.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 1021153231030 its reverse (301323511201), we get a palindrome (1322476742231).

The spelling of 1021153231030 in words is "one trillion, twenty-one billion, one hundred fifty-three million, two hundred thirty-one thousand, thirty".