121102022011 has 4 divisors (see below), whose sum is σ = 121778569800. Its totient is φ = 120425474224.

The previous prime is 121102021993. The next prime is 121102022017. The reversal of 121102022011 is 110220201121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121102022011 - 2⁷ = 121102021883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102021982 and 121102022000.

It is not an unprimeable number, because it can be changed into a prime (121102022017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338273626 + ... + 338273983.

It is an arithmetic number, because the mean of its divisors is an integer number (30444642450).

Almost surely, 2^121102022011 is an apocalyptic number.

121102022011 is a deficient number, since it is larger than the sum of its proper divisors (676547789).

121102022011 is an equidigital number, since it uses as much as digits as its factorization.

121102022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676547788.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121102022011 its reverse (110220201121), we get a palindrome (231322223132).

The spelling of 121102022011 in words is "one hundred twenty-one billion, one hundred two million, twenty-two thousand, eleven".