211121101204 has 24 divisors (see below), whose sum is σ = 403820620448. Its totient is φ = 95986170720.

The previous prime is 211121101201. The next prime is 211121101207. The reversal of 211121101204 is 402101121112.

It is an interprime number because it is at equal distance from previous prime (211121101201) and next prime (211121101207).

It is a super-2 number, since 2×211121101204² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121101201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30295182 + ... + 30302149.

Almost surely, 2^211121101204 is an apocalyptic number.

It is an amenable number.

211121101204 is a deficient number, since it is larger than the sum of its proper divisors (192699519244).

211121101204 is a wasteful number, since it uses less digits than its factorization.

211121101204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60597415 (or 60597413 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211121101204 its reverse (402101121112), we get a palindrome (613222222316).

The spelling of 211121101204 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred one thousand, two hundred four".