2104212200155 has 16 divisors (see below), whose sum is σ = 2730572992224. Its totient is φ = 1547432133120.

The previous prime is 2104212200143. The next prime is 2104212200173. The reversal of 2104212200155 is 5510022124012.

It is not a de Polignac number, because 2104212200155 - 2²³ = 2104203811547 is a prime.

It is a super-2 number, since 2×2104212200155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67147189 + ... + 67178518.

It is an arithmetic number, because the mean of its divisors is an integer number (170660812014).

Almost surely, 2^{2104212200155} is an apocalyptic number.

2104212200155 is a deficient number, since it is larger than the sum of its proper divisors (626360792069).

2104212200155 is a wasteful number, since it uses less digits than its factorization.

2104212200155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134325966.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 2104212200155 its reverse (5510022124012), we get a palindrome (7614234324167).

The spelling of 2104212200155 in words is "two trillion, one hundred four billion, two hundred twelve million, two hundred thousand, one hundred fifty-five".