1122112202211 has 128 divisors (see below), whose sum is σ = 2235727872000. Its totient is φ = 537181476480.

The previous prime is 1122112202191. The next prime is 1122112202213. The reversal of 1122112202211 is 1122022112211.

1122112202211 is a `hidden beast` number, since 1 + 1 + 221 + 1 + 220 + 221 + 1 = 666.

It is not a de Polignac number, because 1122112202211 - 2⁶ = 1122112202147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122112202213) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16371190 + ... + 16439588.

It is an arithmetic number, because the mean of its divisors is an integer number (17466624000).

Almost surely, 2^{1122112202211} is an apocalyptic number.

1122112202211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122112202211 is a deficient number, since it is larger than the sum of its proper divisors (1113615669789).

1122112202211 is a wasteful number, since it uses less digits than its factorization.

1122112202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69046 (or 69040 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1122112202211 its reverse (1122022112211), we get a palindrome (2244134314422).

The spelling of 1122112202211 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, two hundred two thousand, two hundred eleven".