2667167271121 has 4 divisors (see below), whose sum is σ = 2667172229632.
Its totient is φ = 2667162312612.
The previous prime is 2667167271103. The next prime is 2667167271173. The reversal of 2667167271121 is 1211727617662.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2667167271121 - 211 = 2667167269073 is a prime.
It is a super-2 number, since 2×26671672711212 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2667167278121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558401 + ... + 2786206.
It is an arithmetic number, because the mean of its divisors is an integer number (666793057408).
Almost surely, 22667167271121 is an apocalyptic number.
It is an amenable number.
2667167271121 is a deficient number, since it is larger than the sum of its proper divisors (4958511).
2667167271121 is an equidigital number, since it uses as much as digits as its factorization.
2667167271121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4958510.
The product of its digits is 592704, while the sum is 49.
The spelling of 2667167271121 in words is "two trillion, six hundred sixty-seven billion, one hundred sixty-seven million, two hundred seventy-one thousand, one hundred twenty-one".