10111021010212 has 12 divisors (see below), whose sum is σ = 17695637671600. Its totient is φ = 5055124532616.

The previous prime is 10111021010183. The next prime is 10111021010231. The reversal of 10111021010212 is 21201012011101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10111021010192 and 10111021010201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96434178 + ... + 96538969.

Almost surely, 2^{10111021010212} is an apocalyptic number.

It is an amenable number.

10111021010212 is a deficient number, since it is larger than the sum of its proper divisors (7584616661388).

10111021010212 is a wasteful number, since it uses less digits than its factorization.

10111021010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192986250 (or 192986248 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111021010212 its reverse (21201012011101), we get a palindrome (31312033021313).

The spelling of 10111021010212 in words is "ten trillion, one hundred eleven billion, twenty-one million, ten thousand, two hundred twelve".