1211002122104 has 16 divisors (see below), whose sum is σ = 2343875075520. Its totient is φ = 585968768640.

The previous prime is 1211002122103. The next prime is 1211002122119. The reversal of 1211002122104 is 4012212001121.

It is a super-2 number, since 2×1211002122104² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211002122103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441536289 + ... + 2441536784.

It is an arithmetic number, because the mean of its divisors is an integer number (146492192220).

Almost surely, 2^{1211002122104} is an apocalyptic number.

It is an amenable number.

1211002122104 is a deficient number, since it is larger than the sum of its proper divisors (1132872953416).

1211002122104 is a wasteful number, since it uses less digits than its factorization.

1211002122104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883073110 (or 4883073106 counting only the distinct ones).

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

Adding to 1211002122104 its reverse (4012212001121), we get a palindrome (5223214123225).

The spelling of 1211002122104 in words is "one trillion, two hundred eleven billion, two million, one hundred twenty-two thousand, one hundred four".