1001100211993 has 8 divisors (see below), whose sum is σ = 1144130045120. Its totient is φ = 858074258160.

The previous prime is 1001100211973. The next prime is 1001100212009. The reversal of 1001100211993 is 3991120011001.

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

It is not a de Polignac number, because 1001100211993 - 2⁵ = 1001100211961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001100211963) 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, 394038 + ... + 1468831.

It is an arithmetic number, because the mean of its divisors is an integer number (143016255640).

Almost surely, 2^{1001100211993} is an apocalyptic number.

It is an amenable number.

1001100211993 is a deficient number, since it is larger than the sum of its proper divisors (143029833127).

1001100211993 is an equidigital number, since it uses as much as digits as its factorization.

1001100211993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939647.

The product of its (nonzero) digits is 486, while the sum is 28.

Adding to 1001100211993 its reverse (3991120011001), we get a palindrome (4992220222994).

The spelling of 1001100211993 in words is "one trillion, one billion, one hundred million, two hundred eleven thousand, nine hundred ninety-three".