1033021100021 has 8 divisors (see below), whose sum is σ = 1066423567104. Its totient is φ = 999623583360.

The previous prime is 1033021100017. The next prime is 1033021100053. The reversal of 1033021100021 is 1200011203301.

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 1033021100021 - 2² = 1033021100017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1033021099969 and 1033021100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033021100011) 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, 811175 + ... + 1650468.

It is an arithmetic number, because the mean of its divisors is an integer number (133302945888).

Almost surely, 2^{1033021100021} is an apocalyptic number.

It is an amenable number.

1033021100021 is a deficient number, since it is larger than the sum of its proper divisors (33402467083).

1033021100021 is a wasteful number, since it uses less digits than its factorization.

1033021100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475211.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1033021100021 its reverse (1200011203301), we get a palindrome (2233032303322).

The spelling of 1033021100021 in words is "one trillion, thirty-three billion, twenty-one million, one hundred thousand, twenty-one".