1211022201104 has 20 divisors (see below), whose sum is σ = 2363235774480. Its totient is φ = 601154904480.

The previous prime is 1211022201097. The next prime is 1211022201113. The reversal of 1211022201104 is 4011022201121.

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 3 ways as a sum of consecutive naturals, for example, 272259962 + ... + 272264409.

It is an arithmetic number, because the mean of its divisors is an integer number (118161788724).

Almost surely, 2^{1211022201104} is an apocalyptic number.

It is an amenable number.

1211022201104 is a deficient number, since it is larger than the sum of its proper divisors (1152213573376).

1211022201104 is a wasteful number, since it uses less digits than its factorization.

1211022201104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544524518 (or 544524512 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1211022201104 its sum of digits (17), we get a palindrome (1211022201121).

Adding to 1211022201104 its reverse (4011022201121), we get a palindrome (5222044402225).

The spelling of 1211022201104 in words is "one trillion, two hundred eleven billion, twenty-two million, two hundred one thousand, one hundred four".