1021123233120 has 96 divisors (see below), whose sum is σ = 3223254021120. Its totient is φ = 271730992640.

The previous prime is 1021123233037. The next prime is 1021123233127. The reversal of 1021123233120 is 213323211201.

1021123233120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021123233127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990686 + ... + 2450525.

It is an arithmetic number, because the mean of its divisors is an integer number (33575562720).

Almost surely, 2^{1021123233120} is an apocalyptic number.

1021123233120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021123233120 is an abundant number, since it is smaller than the sum of its proper divisors (2202130788000).

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

1021123233120 is a wasteful number, since it uses less digits than its factorization.

1021123233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441708 (or 4441700 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1021123233120 its reverse (213323211201), we get a palindrome (1234446444321).

The spelling of 1021123233120 in words is "one trillion, twenty-one billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred twenty".