1101210221001 has 8 divisors (see below), whose sum is σ = 1601760321504. Its totient is φ = 667400133920.

The previous prime is 1101210220993. The next prime is 1101210221011. The reversal of 1101210221001 is 1001220121011.

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 1101210221001 - 2³ = 1101210220993 is a prime.

It is a super-2 number, since 2×1101210221001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101210221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16685003316 + ... + 16685003381.

It is an arithmetic number, because the mean of its divisors is an integer number (200220040188).

Almost surely, 2^{1101210221001} is an apocalyptic number.

1101210221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101210221001 is a deficient number, since it is larger than the sum of its proper divisors (500550100503).

1101210221001 is a wasteful number, since it uses less digits than its factorization.

1101210221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33370006711.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101210221001 its reverse (1001220121011), we get a palindrome (2102430342012).

The spelling of 1101210221001 in words is "one trillion, one hundred one billion, two hundred ten million, two hundred twenty-one thousand, one".