10221021100012 has 24 divisors (see below), whose sum is σ = 19039749548400. Its totient is φ = 4787137022976.

The previous prime is 10221021099959. The next prime is 10221021100027. The reversal of 10221021100012 is 21000112012201.

It is a junction number, because it is equal to n+sod(n) for n = 10221021099965 and 10221021100001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755538853 + ... + 755552380.

It is an arithmetic number, because the mean of its divisors is an integer number (793322897850).

Almost surely, 2^{10221021100012} is an apocalyptic number.

It is an amenable number.

10221021100012 is a deficient number, since it is larger than the sum of its proper divisors (8818728448388).

10221021100012 is a wasteful number, since it uses less digits than its factorization.

10221021100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511091345 (or 1511091343 counting only the distinct ones).

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

Adding to 10221021100012 its reverse (21000112012201), we get a palindrome (31221133112213).

The spelling of 10221021100012 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, one hundred thousand, twelve".