1011021120023 has 8 divisors (see below), whose sum is σ = 1054994467968. Its totient is φ = 967049097784.

The previous prime is 1011021119993. The next prime is 1011021120073. The reversal of 1011021120023 is 3200211201101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011021120023 - 2³² = 1006726152727 is a prime.

It is a super-2 number, since 2×1011021120023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011021120073) 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 7 ways as a sum of consecutive naturals, for example, 1425140 + ... + 2013222.

It is an arithmetic number, because the mean of its divisors is an integer number (131874308496).

Almost surely, 2^{1011021120023} is an apocalyptic number.

1011021120023 is a deficient number, since it is larger than the sum of its proper divisors (43973347945).

1011021120023 is an equidigital number, since it uses as much as digits as its factorization.

1011021120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662853.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011021120023 its reverse (3200211201101), we get a palindrome (4211232321124).

The spelling of 1011021120023 in words is "one trillion, eleven billion, twenty-one million, one hundred twenty thousand, twenty-three".