2113020055144 has 8 divisors (see below), whose sum is σ = 3961912603410. Its totient is φ = 1056510027568.

The previous prime is 2113020055141. The next prime is 2113020055147. The reversal of 2113020055144 is 4415500203112.

It is an interprime number because it is at equal distance from previous prime (2113020055141) and next prime (2113020055147).

It can be written as a sum of positive squares in only one way, i.e., 1952028122500 + 160991932644 = 1397150^2 + 401238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2113020055141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132063753439 + ... + 132063753454.

Almost surely, 2^{2113020055144} is an apocalyptic number.

It is an amenable number.

2113020055144 is a deficient number, since it is larger than the sum of its proper divisors (1848892548266).

2113020055144 is a wasteful number, since it uses less digits than its factorization.

2113020055144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264127506899 (or 264127506895 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 2113020055144 its reverse (4415500203112), we get a palindrome (6528520258256).

The spelling of 2113020055144 in words is "two trillion, one hundred thirteen billion, twenty million, fifty-five thousand, one hundred forty-four".