20121102220010 has 16 divisors (see below), whose sum is σ = 39510527995872. Its totient is φ = 7316764443600.

The previous prime is 20121102219947. The next prime is 20121102220039. The reversal of 20121102220010 is 1002220112102.

It is a Curzon number.

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, 91459555436 + ... + 91459555655.

It is an arithmetic number, because the mean of its divisors is an integer number (2469407999742).

Almost surely, 2^{20121102220010} is an apocalyptic number.

20121102220010 is a deficient number, since it is larger than the sum of its proper divisors (19389425775862).

20121102220010 is a wasteful number, since it uses less digits than its factorization.

20121102220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182919111109.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20121102220010 its reverse (1002220112102), we get a palindrome (21123322332112).

The spelling of 20121102220010 in words is "twenty trillion, one hundred twenty-one billion, one hundred two million, two hundred twenty thousand, ten".