10221211012112 has 10 divisors (see below), whose sum is σ = 19803596335998. Its totient is φ = 5110605506048.

The previous prime is 10221211012109. The next prime is 10221211012121. The reversal of 10221211012112 is 21121011212201.

It can be written as a sum of positive squares in only one way, i.e., 5919469536016 + 4301741476096 = 2432996^2 + 2074064^2 .

It is a super-3 number, since 3×10221211012112³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319412844113 + ... + 319412844144.

Almost surely, 2^{10221211012112} is an apocalyptic number.

It is an amenable number.

10221211012112 is a deficient number, since it is larger than the sum of its proper divisors (9582385323886).

10221211012112 is an equidigital number, since it uses as much as digits as its factorization.

10221211012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638825688265 (or 638825688259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10221211012112 its reverse (21121011212201), we get a palindrome (31342222224313).

The spelling of 10221211012112 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, twelve thousand, one hundred twelve".