121102231131211 has 16 divisors (see below), whose sum is σ = 134093915925120. Its totient is φ = 108441204094080.

The previous prime is 121102231131197. The next prime is 121102231131247. The reversal of 121102231131211 is 112131132201121.

It is not a de Polignac number, because 121102231131211 - 2⁷ = 121102231131083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102231131911) 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, 2876980 + ... + 15826606.

It is an arithmetic number, because the mean of its divisors is an integer number (8380869745320).

Almost surely, 2^{121102231131211} is an apocalyptic number.

121102231131211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121102231131211 is a deficient number, since it is larger than the sum of its proper divisors (12991684793909).

121102231131211 is a wasteful number, since it uses less digits than its factorization.

121102231131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962394.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 121102231131211 its reverse (112131132201121), we get a palindrome (233233363332332).

The spelling of 121102231131211 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred eleven".