1021110012340 has 96 divisors (see below), whose sum is σ = 2346372572544. Its totient is φ = 370187112960.

The previous prime is 1021110012277. The next prime is 1021110012343. The reversal of 1021110012340 is 432100111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021110012343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108198102 + ... + 108207538.

It is an arithmetic number, because the mean of its divisors is an integer number (24441380964).

Almost surely, 2^{1021110012340} is an apocalyptic number.

1021110012340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021110012340 is an abundant number, since it is smaller than the sum of its proper divisors (1325262560204).

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

1021110012340 is a wasteful number, since it uses less digits than its factorization.

1021110012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10897 (or 10895 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021110012340 its reverse (432100111201), we get a palindrome (1453210123541).

The spelling of 1021110012340 in words is "one trillion, twenty-one billion, one hundred ten million, twelve thousand, three hundred forty".