1021010110212 has 12 divisors (see below), whose sum is σ = 2382356923856. Its totient is φ = 340336703400.

The previous prime is 1021010110201. The next prime is 1021010110243. The reversal of 1021010110212 is 2120110101201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 85084175851 = 1021010110212 / (1 + 0 + 2 + 1 + 0 + 1 + 0 + 1 + 1 + 0 + 2 + 1 + 2).

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, 42542087914 + ... + 42542087937.

Almost surely, 2^{1021010110212} is an apocalyptic number.

1021010110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021010110212 is an abundant number, since it is smaller than the sum of its proper divisors (1361346813644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021010110212 is a wasteful number, since it uses less digits than its factorization.

1021010110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85084175858 (or 85084175856 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021010110212 its reverse (2120110101201), we get a palindrome (3141120211413).

The spelling of 1021010110212 in words is "one trillion, twenty-one billion, ten million, one hundred ten thousand, two hundred twelve".