11200010202121 has 8 divisors (see below), whose sum is σ = 12477464947080. Its totient is φ = 9981971956992.

The previous prime is 11200010202103. The next prime is 11200010202127. The reversal of 11200010202121 is 12120201000211.

It can be written as a sum of positive squares in 4 ways, for example, as 27443235600 + 11172566966521 = 165660^2 + 3342539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11200010202121 - 2⁵ = 11200010202089 is a prime.

It is a super-2 number, since 2×11200010202121² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200010202127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14854124560 + ... + 14854125313.

It is an arithmetic number, because the mean of its divisors is an integer number (1559683118385).

Almost surely, 2^{11200010202121} is an apocalyptic number.

It is an amenable number.

11200010202121 is a deficient number, since it is larger than the sum of its proper divisors (1277454744959).

11200010202121 is a wasteful number, since it uses less digits than its factorization.

11200010202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29708249915.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11200010202121 its reverse (12120201000211), we get a palindrome (23320211202332).

The spelling of 11200010202121 in words is "eleven trillion, two hundred billion, ten million, two hundred two thousand, one hundred twenty-one".