11001012323021 has 16 divisors (see below), whose sum is σ = 12602942251008. Its totient is φ = 9406673337600.

The previous prime is 11001012322991. The next prime is 11001012323027. The reversal of 11001012323021 is 12032321010011.

It is not a de Polignac number, because 11001012323021 - 2⁶ = 11001012322957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001012323027) 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, 97262261 + ... + 97375301.

It is an arithmetic number, because the mean of its divisors is an integer number (787683890688).

Almost surely, 2^{11001012323021} is an apocalyptic number.

It is an amenable number.

11001012323021 is a deficient number, since it is larger than the sum of its proper divisors (1601929927987).

11001012323021 is a wasteful number, since it uses less digits than its factorization.

11001012323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146492.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11001012323021 its reverse (12032321010011), we get a palindrome (23033333333032).

The spelling of 11001012323021 in words is "eleven trillion, one billion, twelve million, three hundred twenty-three thousand, twenty-one".