2101002120111 has 8 divisors (see below), whose sum is σ = 2808021928320. Its totient is φ = 1397325195992.

The previous prime is 2101002120097. The next prime is 2101002120137. The reversal of 2101002120111 is 1110212001012.

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 2101002120111 - 2⁹ = 2101002119599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101002120611) 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, 835719555 + ... + 835722068.

It is an arithmetic number, because the mean of its divisors is an integer number (351002741040).

Almost surely, 2^{2101002120111} is an apocalyptic number.

2101002120111 is a deficient number, since it is larger than the sum of its proper divisors (707019808209).

2101002120111 is a wasteful number, since it uses less digits than its factorization.

2101002120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671442045.

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

Adding to 2101002120111 its reverse (1110212001012), we get a palindrome (3211214121123).

The spelling of 2101002120111 in words is "two trillion, one hundred one billion, two million, one hundred twenty thousand, one hundred eleven".