1121022022211 has 16 divisors (see below), whose sum is σ = 1383887785728. Its totient is φ = 884282810400.

The previous prime is 1121022022207. The next prime is 1121022022231. The reversal of 1121022022211 is 1122202201211.

It is a cyclic number.

It is not a de Polignac number, because 1121022022211 - 2² = 1121022022207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121022022211.

It is not an unprimeable number, because it can be changed into a prime (1121022022201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18578525 + ... + 18638766.

It is an arithmetic number, because the mean of its divisors is an integer number (86492986608).

Almost surely, 2^{1121022022211} is an apocalyptic number.

1121022022211 is a deficient number, since it is larger than the sum of its proper divisors (262865763517).

1121022022211 is a wasteful number, since it uses less digits than its factorization.

1121022022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37217642.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121022022211 its reverse (1122202201211), we get a palindrome (2243224223422).

The spelling of 1121022022211 in words is "one trillion, one hundred twenty-one billion, twenty-two million, twenty-two thousand, two hundred eleven".