213011121244122 has 48 divisors (see below), whose sum is σ = 468148602841920. Its totient is φ = 69988449534336.

The previous prime is 213011121244121. The next prime is 213011121244169. The reversal of 213011121244122 is 221442121110312.

213011121244122 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 1 + 1 + 1 + 212 + 441 + 2 + 2 = 666.

213011121244122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213011121244122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213011121244121) 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, 161733343 + ... + 163045074.

It is an arithmetic number, because the mean of its divisors is an integer number (9753095892540).

Almost surely, 2^{213011121244122} is an apocalyptic number.

213011121244122 is an abundant number, since it is smaller than the sum of its proper divisors (255137481597798).

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

213011121244122 is a wasteful number, since it uses less digits than its factorization.

213011121244122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324778947 (or 324778944 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 213011121244122 its reverse (221442121110312), we get a palindrome (434453242354434).

The spelling of 213011121244122 in words is "two hundred thirteen trillion, eleven billion, one hundred twenty-one million, two hundred forty-four thousand, one hundred twenty-two".