2222121211101 has 48 divisors (see below), whose sum is σ = 3512809415232. Its totient is φ = 1342406688000.

The previous prime is 2222121211099. The next prime is 2222121211103. The reversal of 2222121211101 is 1011121212222.

2222121211101 is a `hidden beast` number, since 222 + 212 + 121 + 110 + 1 = 666.

2222121211101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2222121211099) and next prime (2222121211103).

It is not a de Polignac number, because 2222121211101 - 2¹ = 2222121211099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222121211103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39043201 + ... + 39100073.

It is an arithmetic number, because the mean of its divisors is an integer number (73183529484).

Almost surely, 2^{2222121211101} is an apocalyptic number.

It is an amenable number.

2222121211101 is a deficient number, since it is larger than the sum of its proper divisors (1290688204131).

2222121211101 is a wasteful number, since it uses less digits than its factorization.

2222121211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58154 (or 58151 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2222121211101 its reverse (1011121212222), we get a palindrome (3233242423323).

The spelling of 2222121211101 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, one hundred one".