2100054222145 has 8 divisors (see below), whose sum is σ = 2749161890880. Its totient is φ = 1527312161520.

The previous prime is 2100054222143. The next prime is 2100054222209. The reversal of 2100054222145 is 5412224500012.

It is a happy number.

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

It is not a de Polignac number, because 2100054222145 - 2¹ = 2100054222143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100054222143) 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, 19091401965 + ... + 19091402074.

It is an arithmetic number, because the mean of its divisors is an integer number (343645236360).

Almost surely, 2^{2100054222145} is an apocalyptic number.

It is an amenable number.

2100054222145 is a deficient number, since it is larger than the sum of its proper divisors (649107668735).

2100054222145 is a wasteful number, since it uses less digits than its factorization.

2100054222145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38182804055.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 2100054222145 its reverse (5412224500012), we get a palindrome (7512278722157).

The spelling of 2100054222145 in words is "two trillion, one hundred billion, fifty-four million, two hundred twenty-two thousand, one hundred forty-five".