1021100022001 has 8 divisors (see below), whose sum is σ = 1042839970560. Its totient is φ = 999360674208.

The previous prime is 1021100021989. The next prime is 1021100022011. The reversal of 1021100022001 is 1002200011201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021100022001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021100022011) 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, 5618565 + ... + 5797453.

It is an arithmetic number, because the mean of its divisors is an integer number (130354996320).

Almost surely, 2^{1021100022001} is an apocalyptic number.

It is an amenable number.

1021100022001 is a deficient number, since it is larger than the sum of its proper divisors (21739948559).

1021100022001 is a wasteful number, since it uses less digits than its factorization.

1021100022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300383.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1021100022001 its reverse (1002200011201), we get a palindrome (2023300033202).

The spelling of 1021100022001 in words is "one trillion, twenty-one billion, one hundred million, twenty-two thousand, one".