2101210210111 has 32 divisors (see below), whose sum is σ = 2215844582400. Its totient is φ = 1988643571200.

The previous prime is 2101210210097. The next prime is 2101210210147. The reversal of 2101210210111 is 1110120121012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2101210210111 - 2¹⁵ = 2101210177343 is a prime.

It is a super-3 number, since 3×2101210210111³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101210210091 and 2101210210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101210010111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1330721320 + ... + 1330722898.

It is an arithmetic number, because the mean of its divisors is an integer number (69245143200).

Almost surely, 2^{2101210210111} is an apocalyptic number.

2101210210111 is a deficient number, since it is larger than the sum of its proper divisors (114634372289).

2101210210111 is a wasteful number, since it uses less digits than its factorization.

2101210210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2101210210111 its reverse (1110120121012), we get a palindrome (3211330331123).

The spelling of 2101210210111 in words is "two trillion, one hundred one billion, two hundred ten million, two hundred ten thousand, one hundred eleven".