10121201212011 has 16 divisors (see below), whose sum is σ = 13994222770944. Its totient is φ = 6501364612704.

The previous prime is 10121201211997. The next prime is 10121201212069. The reversal of 10121201212011 is 11021210212101.

It is a happy number.

It is not a de Polignac number, because 10121201212011 - 2³⁷ = 9983762258539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121201214011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442619601 + ... + 442642466.

It is an arithmetic number, because the mean of its divisors is an integer number (874638923184).

Almost surely, 2^{10121201212011} is an apocalyptic number.

10121201212011 is a deficient number, since it is larger than the sum of its proper divisors (3873021558933).

10121201212011 is a wasteful number, since it uses less digits than its factorization.

10121201212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885262210.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10121201212011 its reverse (11021210212101), we get a palindrome (21142411424112).

The spelling of 10121201212011 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, two hundred twelve thousand, eleven".