1011332123021 has 8 divisors (see below), whose sum is σ = 1103283466464. Its totient is φ = 919382789520.

The previous prime is 1011332122967. The next prime is 1011332123047. The reversal of 1011332123021 is 1203212331101.

It is a happy number.

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 1011332123021 - 2¹⁴ = 1011332106637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011332122984 and 1011332123002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011332123071) 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, 668186 + ... + 1571348.

It is an arithmetic number, because the mean of its divisors is an integer number (137910433308).

Almost surely, 2^{1011332123021} is an apocalyptic number.

1011332123021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011332123021 is a deficient number, since it is larger than the sum of its proper divisors (91951343443).

1011332123021 is a wasteful number, since it uses less digits than its factorization.

1011332123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004971.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011332123021 its reverse (1203212331101), we get a palindrome (2214544454122).

The spelling of 1011332123021 in words is "one trillion, eleven billion, three hundred thirty-two million, one hundred twenty-three thousand, twenty-one".