200211001019978 has 16 divisors (see below), whose sum is σ = 326440366872480. Its totient is φ = 91541478538416.

The previous prime is 200211001019963. The next prime is 200211001019983. The reversal of 200211001019978 is 879910100112002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35983282808 + ... + 35983288371.

It is an arithmetic number, because the mean of its divisors is an integer number (20402522929530).

Almost surely, 2^{200211001019978} is an apocalyptic number.

200211001019978 is a deficient number, since it is larger than the sum of its proper divisors (126229365852502).

200211001019978 is a wasteful number, since it uses less digits than its factorization.

200211001019978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71966571301.

The product of its (nonzero) digits is 18144, while the sum is 41.

The spelling of 200211001019978 in words is "two hundred trillion, two hundred eleven billion, one million, nineteen thousand, nine hundred seventy-eight".