1021102210012 has 12 divisors (see below), whose sum is σ = 1816222783816. Its totient is φ = 502181414640.

The previous prime is 1021102209983. The next prime is 1021102210013. The reversal of 1021102210012 is 2100122011201.

It is a junction number, because it is equal to n+sod(n) for n = 1021102209974 and 1021102210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021102210013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2092422318 + ... + 2092422805.

Almost surely, 2^{1021102210012} is an apocalyptic number.

It is an amenable number.

1021102210012 is a deficient number, since it is larger than the sum of its proper divisors (795120573804).

1021102210012 is a wasteful number, since it uses less digits than its factorization.

1021102210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184845188 (or 4184845186 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021102210012 its reverse (2100122011201), we get a palindrome (3121224221213).

The spelling of 1021102210012 in words is "one trillion, twenty-one billion, one hundred two million, two hundred ten thousand, twelve".