10211102121212 has 24 divisors (see below), whose sum is σ = 18088047759600. Its totient is φ = 5043201739136.

The previous prime is 10211102121211. The next prime is 10211102121221. The reversal of 10211102121212 is 21212120111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211102121211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13796762 + ... + 14518017.

It is an arithmetic number, because the mean of its divisors is an integer number (753668656650).

Almost surely, 2^{10211102121212} is an apocalyptic number.

It is an amenable number.

10211102121212 is a deficient number, since it is larger than the sum of its proper divisors (7876945638388).

10211102121212 is a wasteful number, since it uses less digits than its factorization.

10211102121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28315885 (or 28315883 counting only the distinct ones).

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

Adding to 10211102121212 its reverse (21212120111201), we get a palindrome (31423222232413).

The spelling of 10211102121212 in words is "ten trillion, two hundred eleven billion, one hundred two million, one hundred twenty-one thousand, two hundred twelve".