2101111102212 has 24 divisors (see below), whose sum is σ = 4903151008896. Its totient is φ = 700290590688.

The previous prime is 2101111102193. The next prime is 2101111102213. The reversal of 2101111102212 is 2122011111012.

It is a happy number.

It is a super-2 number, since 2×2101111102212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101111102191 and 2101111102200.

It is not an unprimeable number, because it can be changed into a prime (2101111102213) 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, 9862303 + ... + 10073094.

It is an arithmetic number, because the mean of its divisors is an integer number (204297958704).

Almost surely, 2^{2101111102212} is an apocalyptic number.

It is an amenable number.

2101111102212 is an abundant number, since it is smaller than the sum of its proper divisors (2802039906684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101111102212 is a wasteful number, since it uses less digits than its factorization.

2101111102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19944187 (or 19944185 counting only the distinct ones).

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

Adding to 2101111102212 its reverse (2122011111012), we get a palindrome (4223122213224).

The spelling of 2101111102212 in words is "two trillion, one hundred one billion, one hundred eleven million, one hundred two thousand, two hundred twelve".