2122042154211 has 72 divisors (see below), whose sum is σ = 3916457925120. Its totient is φ = 1098827874144.

The previous prime is 2122042154209. The next prime is 2122042154213. The reversal of 2122042154211 is 1124512402212.

2122042154211 is a `hidden beast` number, since 2 + 1 + 2 + 20 + 4 + 215 + 421 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2122042154209) and next prime (2122042154213).

It is not a de Polignac number, because 2122042154211 - 2¹ = 2122042154209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122042154213) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5312875 + ... + 5698308.

It is an arithmetic number, because the mean of its divisors is an integer number (54395248960).

Almost surely, 2^{2122042154211} is an apocalyptic number.

2122042154211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2122042154211 is a deficient number, since it is larger than the sum of its proper divisors (1794415770909).

2122042154211 is a wasteful number, since it uses less digits than its factorization.

2122042154211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011245 (or 11011235 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 2122042154211 its reverse (1124512402212), we get a palindrome (3246554556423).

The spelling of 2122042154211 in words is "two trillion, one hundred twenty-two billion, forty-two million, one hundred fifty-four thousand, two hundred eleven".