121202200202011 has 4 divisors (see below), whose sum is σ = 121202291109472. Its totient is φ = 121202109294552.

The previous prime is 121202200201919. The next prime is 121202200202087. The reversal of 121202200202011 is 110202002202121.

It is a happy number.

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 121202200202011 - 2²¹ = 121202198104859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202200205011) 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, 43423635 + ... + 46130428.

It is an arithmetic number, because the mean of its divisors is an integer number (30300572777368).

Almost surely, 2^{121202200202011} is an apocalyptic number.

121202200202011 is a deficient number, since it is larger than the sum of its proper divisors (90907461).

121202200202011 is an equidigital number, since it uses as much as digits as its factorization.

121202200202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90907460.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121202200202011 its reverse (110202002202121), we get a palindrome (231404202404132).

The spelling of 121202200202011 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred million, two hundred two thousand, eleven".