2210101212111 has 8 divisors (see below), whose sum is σ = 3173478663600. Its totient is φ = 1360062284352.

The previous prime is 2210101212107. The next prime is 2210101212157. The reversal of 2210101212111 is 1112121010122.

It is a happy number.

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

It is not a de Polignac number, because 2210101212111 - 2² = 2210101212107 is a prime.

It is a super-2 number, since 2×2210101212111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210101210111) 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, 28334630886 + ... + 28334630963.

It is an arithmetic number, because the mean of its divisors is an integer number (396684832950).

Almost surely, 2^{2210101212111} is an apocalyptic number.

2210101212111 is a deficient number, since it is larger than the sum of its proper divisors (963377451489).

2210101212111 is a wasteful number, since it uses less digits than its factorization.

2210101212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56669261865.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2210101212111 its reverse (1112121010122), we get a palindrome (3322222222233).

The spelling of 2210101212111 in words is "two trillion, two hundred ten billion, one hundred one million, two hundred twelve thousand, one hundred eleven".