11202012010121 has 4 divisors (see below), whose sum is σ = 11202034499712. Its totient is φ = 11201989520532.

The previous prime is 11202012010117. The next prime is 11202012010127. The reversal of 11202012010121 is 12101021020211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11202012010121 - 2² = 11202012010117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202012010096 and 11202012010105.

It is not an unprimeable number, because it can be changed into a prime (11202012010127) 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, 10480325 + ... + 11499618.

It is an arithmetic number, because the mean of its divisors is an integer number (2800508624928).

Almost surely, 2^{11202012010121} is an apocalyptic number.

It is an amenable number.

11202012010121 is a deficient number, since it is larger than the sum of its proper divisors (22489591).

11202012010121 is an equidigital number, since it uses as much as digits as its factorization.

11202012010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22489590.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11202012010121 its reverse (12101021020211), we get a palindrome (23303033030332).

The spelling of 11202012010121 in words is "eleven trillion, two hundred two billion, twelve million, ten thousand, one hundred twenty-one".