11921210102212 has 24 divisors (see below), whose sum is σ = 20884425492672. Its totient is φ = 5954234114400.

The previous prime is 11921210102183. The next prime is 11921210102257. The reversal of 11921210102212 is 21220101212911.

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, 17286537 + ... + 17962927.

It is an arithmetic number, because the mean of its divisors is an integer number (870184395528).

Almost surely, 2^{11921210102212} is an apocalyptic number.

It is an amenable number.

11921210102212 is a deficient number, since it is larger than the sum of its proper divisors (8963215390460).

11921210102212 is a wasteful number, since it uses less digits than its factorization.

11921210102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681099 (or 681097 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 11921210102212 in words is "eleven trillion, nine hundred twenty-one billion, two hundred ten million, one hundred two thousand, two hundred twelve".