10121202122011 has 4 divisors (see below), whose sum is σ = 10126235044024. Its totient is φ = 10116169200000.

The previous prime is 10121202121997. The next prime is 10121202122069. The reversal of 10121202122011 is 11022120212101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121202122011 - 2²⁵ = 10121168567579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121202122111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2516457990 + ... + 2516462011.

It is an arithmetic number, because the mean of its divisors is an integer number (2531558761006).

Almost surely, 2^{10121202122011} is an apocalyptic number.

10121202122011 is a deficient number, since it is larger than the sum of its proper divisors (5032922013).

10121202122011 is an equidigital number, since it uses as much as digits as its factorization.

10121202122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032922012.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10121202122011 its reverse (11022120212101), we get a palindrome (21143322334112).

The spelling of 10121202122011 in words is "ten trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty-two thousand, eleven".