121102100211 has 32 divisors (see below), whose sum is σ = 167204901888. Its totient is φ = 77920128000.

The previous prime is 121102100143. The next prime is 121102100213. The reversal of 121102100211 is 112001201121.

It is not a de Polignac number, because 121102100211 - 2¹¹ = 121102098163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102100213) 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, 7992835 + ... + 8007971.

It is an arithmetic number, because the mean of its divisors is an integer number (5225153184).

Almost surely, 2^121102100211 is an apocalyptic number.

121102100211 is a deficient number, since it is larger than the sum of its proper divisors (46102801677).

121102100211 is a wasteful number, since it uses less digits than its factorization.

121102100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16011.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121102100211 its reverse (112001201121), we get a palindrome (233103301332).

The spelling of 121102100211 in words is "one hundred twenty-one billion, one hundred two million, one hundred thousand, two hundred eleven".