121000112011211 has 32 divisors (see below), whose sum is σ = 125656267334400. Its totient is φ = 116377340405760.

The previous prime is 121000112011171. The next prime is 121000112011213. The reversal of 121000112011211 is 112110211000121.

It is a cyclic number.

It is not a de Polignac number, because 121000112011211 - 2⁴⁶ = 50631367833547 is a prime.

It is a super-2 number, since 2×121000112011211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121000112011213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20043083285 + ... + 20043089321.

It is an arithmetic number, because the mean of its divisors is an integer number (3926758354200).

Almost surely, 2^{121000112011211} is an apocalyptic number.

121000112011211 is a deficient number, since it is larger than the sum of its proper divisors (4656155323189).

121000112011211 is a wasteful number, since it uses less digits than its factorization.

121000112011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121000112011211 its reverse (112110211000121), we get a palindrome (233110323011332).

The spelling of 121000112011211 in words is "one hundred twenty-one trillion, one hundred twelve million, eleven thousand, two hundred eleven".