121120220011 has 32 divisors (see below), whose sum is σ = 141278100480. Its totient is φ = 101701650816.

The previous prime is 121120219993. The next prime is 121120220027. The reversal of 121120220011 is 110022021121.

It is a cyclic number.

It is not a de Polignac number, because 121120220011 - 2¹¹ = 121120217963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121120219973 and 121120220000.

It is not an unprimeable number, because it can be changed into a prime (121120223011) 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, 52820581 + ... + 52822873.

It is an arithmetic number, because the mean of its divisors is an integer number (4414940640).

Almost surely, 2^121120220011 is an apocalyptic number.

121120220011 is a deficient number, since it is larger than the sum of its proper divisors (20157880469).

121120220011 is a wasteful number, since it uses less digits than its factorization.

121120220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163.

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

Adding to 121120220011 its reverse (110022021121), we get a palindrome (231142241132).

The spelling of 121120220011 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand, eleven".