1121212202122 has 8 divisors (see below), whose sum is σ = 1754940838176. Its totient is φ = 536231922732.

The previous prime is 1121212202119. The next prime is 1121212202161. The reversal of 1121212202122 is 2212022121211.

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 1121212202122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12187089108 + ... + 12187089199.

It is an arithmetic number, because the mean of its divisors is an integer number (219367604772).

Almost surely, 2^{1121212202122} is an apocalyptic number.

1121212202122 is a deficient number, since it is larger than the sum of its proper divisors (633728636054).

1121212202122 is a wasteful number, since it uses less digits than its factorization.

1121212202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24374178332.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1121212202122 its reverse (2212022121211), we get a palindrome (3333234323333).

The spelling of 1121212202122 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred two thousand, one hundred twenty-two".