10101021212 has 12 divisors (see below), whose sum is σ = 17900544480. Its totient is φ = 4986579936.

The previous prime is 10101021181. The next prime is 10101021241. The reversal of 10101021212 is 21212010101.

It is a junction number, because it is equal to n+sod(n) for n = 10101021193 and 10101021202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15982313 + ... + 15982944.

It is an arithmetic number, because the mean of its divisors is an integer number (1491712040).

Almost surely, 2^10101021212 is an apocalyptic number.

It is an amenable number.

10101021212 is a deficient number, since it is larger than the sum of its proper divisors (7799523268).

10101021212 is a wasteful number, since it uses less digits than its factorization.

10101021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31965340 (or 31965338 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10101021212 its reverse (21212010101), we get a palindrome (31313031313).

The spelling of 10101021212 in words is "ten billion, one hundred one million, twenty-one thousand, two hundred twelve".