1021225356466 has 16 divisors (see below), whose sum is σ = 1752318981504. Its totient is φ = 437256274464.

The previous prime is 1021225356461. The next prime is 1021225356467. The reversal of 1021225356466 is 6646535221201.

It is not an unprimeable number, because it can be changed into a prime (1021225356461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34295875 + ... + 34325638.

It is an arithmetic number, because the mean of its divisors is an integer number (109519936344).

Almost surely, 2^{1021225356466} is an apocalyptic number.

1021225356466 is a deficient number, since it is larger than the sum of its proper divisors (731093625038).

1021225356466 is a wasteful number, since it uses less digits than its factorization.

1021225356466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68622585.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1021225356466 in words is "one trillion, twenty-one billion, two hundred twenty-five million, three hundred fifty-six thousand, four hundred sixty-six".