121100101012211 has 16 divisors (see below), whose sum is σ = 123078024278496. Its totient is φ = 119139720000000.

The previous prime is 121100101012207. The next prime is 121100101012217. The reversal of 121100101012211 is 112210101001121.

It is a cyclic number.

It is not a de Polignac number, because 121100101012211 - 2² = 121100101012207 is a prime.

It is a super-2 number, since 2×121100101012211² (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 (121100101012217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4999451 + ... + 16346091.

It is an arithmetic number, because the mean of its divisors is an integer number (7692376517406).

Almost surely, 2^{121100101012211} is an apocalyptic number.

121100101012211 is a deficient number, since it is larger than the sum of its proper divisors (1977923266285).

121100101012211 is a wasteful number, since it uses less digits than its factorization.

121100101012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347414.

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

Adding to 121100101012211 its reverse (112210101001121), we get a palindrome (233310202013332).

The spelling of 121100101012211 in words is "one hundred twenty-one trillion, one hundred billion, one hundred one million, twelve thousand, two hundred eleven".