101121201212212 has 24 divisors (see below), whose sum is σ = 182671452133632. Its totient is φ = 48929373729600.

The previous prime is 101121201212197. The next prime is 101121201212231. The reversal of 101121201212212 is 212212102121101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101121201212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24859512 + ... + 28639792.

It is an arithmetic number, because the mean of its divisors is an integer number (7611310505568).

Almost surely, 2^{101121201212212} is an apocalyptic number.

It is an amenable number.

101121201212212 is a deficient number, since it is larger than the sum of its proper divisors (81550250921420).

101121201212212 is a wasteful number, since it uses less digits than its factorization.

101121201212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996039 (or 3996037 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101121201212212 its reverse (212212102121101), we get a palindrome (313333303333313).

The spelling of 101121201212212 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred one million, two hundred twelve thousand, two hundred twelve".