10221202121210 has 16 divisors (see below), whose sum is σ = 18408212001792. Its totient is φ = 4086247918800.

The previous prime is 10221202121209. The next prime is 10221202121227. The reversal of 10221202121210 is 1212120212201.

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, 279096986 + ... + 279133605.

It is an arithmetic number, because the mean of its divisors is an integer number (1150513250112).

Almost surely, 2^{10221202121210} is an apocalyptic number.

10221202121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221202121210 is a deficient number, since it is larger than the sum of its proper divisors (8187009880582).

10221202121210 is a wasteful number, since it uses less digits than its factorization.

10221202121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558232429.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10221202121210 its reverse (1212120212201), we get a palindrome (11433322333411).

The spelling of 10221202121210 in words is "ten trillion, two hundred twenty-one billion, two hundred two million, one hundred twenty-one thousand, two hundred ten".