2106622087121 has 8 divisors (see below), whose sum is σ = 2111642247624. Its totient is φ = 2101607838720.

The previous prime is 2106622087021. The next prime is 2106622087139. The reversal of 2106622087121 is 1217802266012.

It can be written as a sum of positive squares in 4 ways, for example, as 5748672400 + 2100873414721 = 75820^2 + 1449439^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2106622087121 - 2²² = 2106617892817 is a prime.

It is a super-2 number, since 2×2106622087121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106622087021) 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, 764120 + ... + 2190233.

It is an arithmetic number, because the mean of its divisors is an integer number (263955280953).

Almost surely, 2^{2106622087121} is an apocalyptic number.

It is an amenable number.

2106622087121 is a deficient number, since it is larger than the sum of its proper divisors (5020160503).

2106622087121 is an equidigital number, since it uses as much as digits as its factorization.

2106622087121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956051.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 2106622087121 in words is "two trillion, one hundred six billion, six hundred twenty-two million, eighty-seven thousand, one hundred twenty-one".