2110212119978 has 4 divisors (see below), whose sum is σ = 3165318179970. Its totient is φ = 1055106059988.

The previous prime is 2110212119969. The next prime is 2110212119999. The reversal of 2110212119978 is 8799112120112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2055716485729 + 54495634249 = 1433777^2 + 233443^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527553029993 + ... + 527553029996.

Almost surely, 2^{2110212119978} is an apocalyptic number.

2110212119978 is a deficient number, since it is larger than the sum of its proper divisors (1055106059992).

2110212119978 is a wasteful number, since it uses less digits than its factorization.

2110212119978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055106059991.

The product of its (nonzero) digits is 36288, while the sum is 44.

The spelling of 2110212119978 in words is "two trillion, one hundred ten billion, two hundred twelve million, one hundred nineteen thousand, nine hundred seventy-eight".