2111100221001 has 8 divisors (see below), whose sum is σ = 2815731434880. Its totient is φ = 1406934577232.

The previous prime is 2111100220987. The next prime is 2111100221017. The reversal of 2111100221001 is 1001220011112.

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 2111100221001 - 2²³ = 2111091832393 is a prime.

It is a super-2 number, since 2×2111100221001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111100221401) 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, 116381946 + ... + 116400083.

It is an arithmetic number, because the mean of its divisors is an integer number (351966429360).

Almost surely, 2^{2111100221001} is an apocalyptic number.

It is an amenable number.

2111100221001 is a deficient number, since it is larger than the sum of its proper divisors (704631213879).

2111100221001 is a wasteful number, since it uses less digits than its factorization.

2111100221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232785055.

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

Adding to 2111100221001 its reverse (1001220011112), we get a palindrome (3112320232113).

The spelling of 2111100221001 in words is "two trillion, one hundred eleven billion, one hundred million, two hundred twenty-one thousand, one".