11210121202122 has 48 divisors (see below), whose sum is σ = 24952142395752. Its totient is φ = 3634680470400.

The previous prime is 11210121202117. The next prime is 11210121202123. The reversal of 11210121202122 is 22120212101211.

11210121202122 is a `hidden beast` number, since 11 + 210 + 121 + 202 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10300960859121 + 909160343001 = 3209511^2 + 953499^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11210121202095 and 11210121202104.

It is not an unprimeable number, because it can be changed into a prime (11210121202123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50629 + ... + 4735272.

Almost surely, 2^{11210121202122} is an apocalyptic number.

11210121202122 is an abundant number, since it is smaller than the sum of its proper divisors (13742021193630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11210121202122 is a wasteful number, since it uses less digits than its factorization.

11210121202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4789463 (or 4789460 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11210121202122 its reverse (22120212101211), we get a palindrome (33330333303333).

The spelling of 11210121202122 in words is "eleven trillion, two hundred ten billion, one hundred twenty-one million, two hundred two thousand, one hundred twenty-two".