121022111121011 has 8 divisors (see below), whose sum is σ = 123630891652080. Its totient is φ = 118425380385312.

The previous prime is 121022111121007. The next prime is 121022111121089. The reversal of 121022111121011 is 110121111220121.

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 121022111121011 - 2² = 121022111121007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022111121001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3012428540 + ... + 3012468713.

It is an arithmetic number, because the mean of its divisors is an integer number (15453861456510).

Almost surely, 2^{121022111121011} is an apocalyptic number.

121022111121011 is a deficient number, since it is larger than the sum of its proper divisors (2608780531069).

121022111121011 is an equidigital number, since it uses as much as digits as its factorization.

121022111121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024897685.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121022111121011 its reverse (110121111220121), we get a palindrome (231143222341132).

The spelling of 121022111121011 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, eleven".