2112051655211 has 4 divisors (see below), whose sum is σ = 2143574814312. Its totient is φ = 2080528496112.

The previous prime is 2112051655199. The next prime is 2112051655229. The reversal of 2112051655211 is 1125561502112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112051655211 - 2³⁴ = 2094871786027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112051655291) 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, 15761579450 + ... + 15761579583.

It is an arithmetic number, because the mean of its divisors is an integer number (535893703578).

Almost surely, 2^{2112051655211} is an apocalyptic number.

2112051655211 is a deficient number, since it is larger than the sum of its proper divisors (31523159101).

2112051655211 is an equidigital number, since it uses as much as digits as its factorization.

2112051655211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31523159100.

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 2112051655211 in words is "two trillion, one hundred twelve billion, fifty-one million, six hundred fifty-five thousand, two hundred eleven".