1022221211986 has 64 divisors (see below), whose sum is σ = 1739037081600. Its totient is φ = 447386990400.

The previous prime is 1022221211953. The next prime is 1022221212083. The reversal of 1022221211986 is 6891121222201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14754735 + ... + 14823853.

It is an arithmetic number, because the mean of its divisors is an integer number (27172454400).

Almost surely, 2^{1022221211986} is an apocalyptic number.

1022221211986 is a deficient number, since it is larger than the sum of its proper divisors (716815869614).

1022221211986 is a wasteful number, since it uses less digits than its factorization.

1022221211986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69535.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 1022221211986 in words is "one trillion, twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, nine hundred eighty-six".