2134221239977 has 16 divisors (see below), whose sum is σ = 2384690423040. Its totient is φ = 1898165415168.

The previous prime is 2134221239873. The next prime is 2134221239993. The reversal of 2134221239977 is 7799321224312.

It is a cyclic number.

It is not a de Polignac number, because 2134221239977 - 2⁷ = 2134221239849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134221239077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8193553 + ... + 8450014.

It is an arithmetic number, because the mean of its divisors is an integer number (149043151440).

Almost surely, 2^{2134221239977} is an apocalyptic number.

It is an amenable number.

2134221239977 is a deficient number, since it is larger than the sum of its proper divisors (250469183063).

2134221239977 is a wasteful number, since it uses less digits than its factorization.

2134221239977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16644000.

The product of its digits is 2286144, while the sum is 52.

The spelling of 2134221239977 in words is "two trillion, one hundred thirty-four billion, two hundred twenty-one million, two hundred thirty-nine thousand, nine hundred seventy-seven".