121011100211212 has 12 divisors (see below), whose sum is σ = 211772175553960. Its totient is φ = 60504764338656.

The previous prime is 121011100211207. The next prime is 121011100211219. The reversal of 121011100211212 is 212112001110121.

It is not an unprimeable number, because it can be changed into a prime (121011100211219) 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, 196095162 + ... + 196711297.

Almost surely, 2^{121011100211212} is an apocalyptic number.

It is an amenable number.

121011100211212 is a deficient number, since it is larger than the sum of its proper divisors (90761075342748).

121011100211212 is a wasteful number, since it uses less digits than its factorization.

121011100211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392883480 (or 392883478 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121011100211212 its reverse (212112001110121), we get a palindrome (333123101321333).

The spelling of 121011100211212 in words is "one hundred twenty-one trillion, eleven billion, one hundred million, two hundred eleven thousand, two hundred twelve".