121111122202022 has 8 divisors (see below), whose sum is σ = 181731494828856. Its totient is φ = 60533957259072.

The previous prime is 121111122201991. The next prime is 121111122202027. The reversal of 121111122202022 is 220202221111121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121111122201985 and 121111122202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111122202027) 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, 10801913963 + ... + 10801925174.

It is an arithmetic number, because the mean of its divisors is an integer number (22716436853607).

Almost surely, 2^{121111122202022} is an apocalyptic number.

121111122202022 is a deficient number, since it is larger than the sum of its proper divisors (60620372626834).

121111122202022 is a wasteful number, since it uses less digits than its factorization.

121111122202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21603841942.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121111122202022 its reverse (220202221111121), we get a palindrome (341313343313143).

The spelling of 121111122202022 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred twenty-two million, two hundred two thousand, twenty-two".