121122210010011 has 36 divisors (see below), whose sum is σ = 191101107509352. Its totient is φ = 68039594681856.

The previous prime is 121122210010007. The next prime is 121122210010019. The reversal of 121122210010011 is 110010012221121.

It is a happy number.

It is not a de Polignac number, because 121122210010011 - 2² = 121122210010007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121122210010019) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117839430 + ... + 118862843.

It is an arithmetic number, because the mean of its divisors is an integer number (5308364097482).

Almost surely, 2^{121122210010011} is an apocalyptic number.

121122210010011 is a deficient number, since it is larger than the sum of its proper divisors (69978897499341).

121122210010011 is an equidigital number, since it uses as much as digits as its factorization.

121122210010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236702408 (or 236702342 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121122210010011 its reverse (110010012221121), we get a palindrome (231132222231132).

The spelling of 121122210010011 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred ten million, ten thousand, eleven".