21032212001001 has 4 divisors (see below), whose sum is σ = 28042949334672. Its totient is φ = 14021474667332.

The previous prime is 21032212000997. The next prime is 21032212001023. The reversal of 21032212001001 is 10010021223012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21032212001001 - 2² = 21032212000997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21032212001401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3505368666831 + ... + 3505368666836.

It is an arithmetic number, because the mean of its divisors is an integer number (7010737333668).

Almost surely, 2^{21032212001001} is an apocalyptic number.

It is an amenable number.

21032212001001 is a deficient number, since it is larger than the sum of its proper divisors (7010737333671).

21032212001001 is an equidigital number, since it uses as much as digits as its factorization.

21032212001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010737333670.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21032212001001 its reverse (10010021223012), we get a palindrome (31042233224013).

The spelling of 21032212001001 in words is "twenty-one trillion, thirty-two billion, two hundred twelve million, one thousand, one".