212241121001 has 24 divisors (see below), whose sum is σ = 266274316224. Its totient is φ = 167680830240.

The previous prime is 212241120961. The next prime is 212241121003. The reversal of 212241121001 is 100121142212.

It is not a de Polignac number, because 212241121001 - 2²⁶ = 212174012137 is a prime.

It is a super-2 number, since 2×212241121001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212241121003) 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, 191156 + ... + 678986.

It is an arithmetic number, because the mean of its divisors is an integer number (11094763176).

Almost surely, 2^212241121001 is an apocalyptic number.

It is an amenable number.

212241121001 is a deficient number, since it is larger than the sum of its proper divisors (54033195223).

212241121001 is a wasteful number, since it uses less digits than its factorization.

212241121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488541 (or 488534 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212241121001 its reverse (100121142212), we get a palindrome (312362263213).

It can be divided in two parts, 2122411 and 21001, that added together give a palindrome (2143412).

The spelling of 212241121001 in words is "two hundred twelve billion, two hundred forty-one million, one hundred twenty-one thousand, one".