11210000020121 has 16 divisors (see below), whose sum is σ = 13517899852800. Its totient is φ = 9081131917968.

The previous prime is 11210000020069. The next prime is 11210000020127. The reversal of 11210000020121 is 12102000001211.

It is not a de Polignac number, because 11210000020121 - 2¹⁴ = 11210000003737 is a prime.

It is a super-2 number, since 2×11210000020121² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11210000020127) 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, 100523885 + ... + 100635338.

It is an arithmetic number, because the mean of its divisors is an integer number (844868740800).

Almost surely, 2^{11210000020121} is an apocalyptic number.

It is an amenable number.

11210000020121 is a deficient number, since it is larger than the sum of its proper divisors (2307899832679).

11210000020121 is a wasteful number, since it uses less digits than its factorization.

11210000020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201159668.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11210000020121 its reverse (12102000001211), we get a palindrome (23312000021332).

The spelling of 11210000020121 in words is "eleven trillion, two hundred ten billion, twenty thousand, one hundred twenty-one".