21010002110012 has 6 divisors (see below), whose sum is σ = 36767503692528. Its totient is φ = 10505001055004.

The previous prime is 21010002109997. The next prime is 21010002110047. The reversal of 21010002110012 is 21001120001012.

It is a junction number, because it is equal to n+sod(n) for n = 21010002109975 and 21010002110002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626250263748 + ... + 2626250263755.

It is an arithmetic number, because the mean of its divisors is an integer number (6127917282088).

Almost surely, 2^{21010002110012} is an apocalyptic number.

It is an amenable number.

21010002110012 is a deficient number, since it is larger than the sum of its proper divisors (15757501582516).

21010002110012 is a wasteful number, since it uses less digits than its factorization.

21010002110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252500527507 (or 5252500527505 counting only the distinct ones).

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

Adding to 21010002110012 its reverse (21001120001012), we get a palindrome (42011122111024).

The spelling of 21010002110012 in words is "twenty-one trillion, ten billion, two million, one hundred ten thousand, twelve".