2120101002111 has 16 divisors (see below), whose sum is σ = 2975766906240. Its totient is φ = 1338927210720.

The previous prime is 2120101002109. The next prime is 2120101002119. The reversal of 2120101002111 is 1112001010212.

It is not a de Polignac number, because 2120101002111 - 2¹ = 2120101002109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120101002119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242445 + ... + 2073398.

It is an arithmetic number, because the mean of its divisors is an integer number (185985431640).

Almost surely, 2^{2120101002111} is an apocalyptic number.

2120101002111 is a deficient number, since it is larger than the sum of its proper divisors (855665904129).

2120101002111 is a wasteful number, since it uses less digits than its factorization.

2120101002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331926.

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

Adding to 2120101002111 its reverse (1112001010212), we get a palindrome (3232102012323).

It can be divided in two parts, 212010 and 1002111, that added together give a palindrome (1214121).

The spelling of 2120101002111 in words is "two trillion, one hundred twenty billion, one hundred one million, two thousand, one hundred eleven".