1221211000202 has 8 divisors (see below), whose sum is σ = 1831850251200. Its totient is φ = 610594249804.

The previous prime is 1221211000193. The next prime is 1221211000241. The reversal of 1221211000202 is 2020001121221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5488802 + ... + 5706957.

It is an arithmetic number, because the mean of its divisors is an integer number (228981281400).

Almost surely, 2^{1221211000202} is an apocalyptic number.

1221211000202 is a deficient number, since it is larger than the sum of its proper divisors (610639250998).

1221211000202 is a wasteful number, since it uses less digits than its factorization.

1221211000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250300.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1221211000202 its reverse (2020001121221), we get a palindrome (3241212121423).

The spelling of 1221211000202 in words is "one trillion, two hundred twenty-one billion, two hundred eleven million, two hundred two", and thus it is an aban number.