1110212202121 has 8 divisors (see below), whose sum is σ = 1223132076288. Its totient is φ = 999290910000.

The previous prime is 1110212202083. The next prime is 1110212202131. The reversal of 1110212202121 is 1212022120111.

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 1110212202121 - 2¹¹ = 1110212200073 is a prime.

It is a super-2 number, since 2×1110212202121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110212202095 and 1110212202104.

It is not an unprimeable number, because it can be changed into a prime (1110212202131) 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, 499644345 + ... + 499646566.

It is an arithmetic number, because the mean of its divisors is an integer number (152891509536).

Almost surely, 2^{1110212202121} is an apocalyptic number.

1110212202121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110212202121 is a deficient number, since it is larger than the sum of its proper divisors (112919874167).

1110212202121 is a wasteful number, since it uses less digits than its factorization.

1110212202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999291023.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1110212202121 its reverse (1212022120111), we get a palindrome (2322234322232).

The spelling of 1110212202121 in words is "one trillion, one hundred ten billion, two hundred twelve million, two hundred two thousand, one hundred twenty-one".