121101021111122 has 8 divisors (see below), whose sum is σ = 195624726410316. Its totient is φ = 55892778974352.

The previous prime is 121101021111121. The next prime is 121101021111137. The reversal of 121101021111122 is 221111120101121.

It can be written as a sum of positive squares in 2 ways, for example, as 92275601028361 + 28825420082761 = 9606019^2 + 5368931^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121101021111122.

It is not an unprimeable number, because it can be changed into a prime (121101021111121) 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, 2328865790573 + ... + 2328865790624.

Almost surely, 2^{121101021111122} is an apocalyptic number.

121101021111122 is a deficient number, since it is larger than the sum of its proper divisors (74523705299194).

121101021111122 is a wasteful number, since it uses less digits than its factorization.

121101021111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657731581212.

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

Adding to 121101021111122 its reverse (221111120101121), we get a palindrome (342212141212243).

The spelling of 121101021111122 in words is "one hundred twenty-one trillion, one hundred one billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".