2218151912370 has 32 divisors (see below), whose sum is σ = 5351147839872. Its totient is φ = 588442371072.

The previous prime is 2218151912359. The next prime is 2218151912371. The reversal of 2218151912370 is 732191518122.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2218151912371) 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, 191544462 + ... + 191556041.

It is an arithmetic number, because the mean of its divisors is an integer number (167223369996).

Almost surely, 2^{2218151912370} is an apocalyptic number.

2218151912370 is an abundant number, since it is smaller than the sum of its proper divisors (3132995927502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2218151912370 is a wasteful number, since it uses less digits than its factorization.

2218151912370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383100706.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 2218151912370 in words is "two trillion, two hundred eighteen billion, one hundred fifty-one million, nine hundred twelve thousand, three hundred seventy".