1211102121122 has 8 divisors (see below), whose sum is σ = 1817016600000. Its totient is φ = 605429921124.

The previous prime is 1211102121121. The next prime is 1211102121127. The reversal of 1211102121122 is 2211212011121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1211102121122.

It is not an unprimeable number, because it can be changed into a prime (1211102121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60557222 + ... + 60577217.

It is an arithmetic number, because the mean of its divisors is an integer number (227127075000).

Almost surely, 2^{1211102121122} is an apocalyptic number.

1211102121122 is a deficient number, since it is larger than the sum of its proper divisors (605914478878).

1211102121122 is a wasteful number, since it uses less digits than its factorization.

1211102121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121139440.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1211102121122 its reverse (2211212011121), we get a palindrome (3422314132243).

The spelling of 1211102121122 in words is "one trillion, two hundred eleven billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty-two".