121122011211112 has 8 divisors (see below), whose sum is σ = 227103771020850. Its totient is φ = 60561005605552.

The previous prime is 121122011211107. The next prime is 121122011211121. The reversal of 121122011211112 is 211112110221121.

It can be written as a sum of positive squares in only one way, i.e., 109866160670436 + 11255850540676 = 10481706^2 + 3354974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 121122011211112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570125700687 + ... + 7570125700702.

Almost surely, 2^{121122011211112} is an apocalyptic number.

It is an amenable number.

121122011211112 is a deficient number, since it is larger than the sum of its proper divisors (105981759809738).

121122011211112 is a wasteful number, since it uses less digits than its factorization.

121122011211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15140251401395 (or 15140251401391 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 121122011211112 its reverse (211112110221121), we get a palindrome (332234121432233).

The spelling of 121122011211112 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, eleven million, two hundred eleven thousand, one hundred twelve".