121102101011 has 8 divisors (see below), whose sum is σ = 121568790000. Its totient is φ = 120635665920.

The previous prime is 121102101007. The next prime is 121102101013. The reversal of 121102101011 is 110101201121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121102101011 - 2² = 121102101007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102100983 and 121102101001.

It is not an unprimeable number, because it can be changed into a prime (121102101013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921635 + ... + 1044803.

It is an arithmetic number, because the mean of its divisors is an integer number (15196098750).

Almost surely, 2^121102101011 is an apocalyptic number.

121102101011 is a deficient number, since it is larger than the sum of its proper divisors (466688989).

121102101011 is a wasteful number, since it uses less digits than its factorization.

121102101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126949.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121102101011 its reverse (110101201121), we get a palindrome (231203302132).

The spelling of 121102101011 in words is "one hundred twenty-one billion, one hundred two million, one hundred one thousand, eleven".