1012112222211 has 12 divisors (see below), whose sum is σ = 1463641796760. Its totient is φ = 673955979840.

The previous prime is 1012112222201. The next prime is 1012112222273. The reversal of 1012112222211 is 1122222112101.

1012112222211 is a `hidden beast` number, since 10 + 1 + 211 + 222 + 221 + 1 = 666.

1012112222211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012112222211 - 2²² = 1012108027907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012112222201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65450310 + ... + 65465771.

It is an arithmetic number, because the mean of its divisors is an integer number (121970149730).

Almost surely, 2^{1012112222211} is an apocalyptic number.

1012112222211 is a deficient number, since it is larger than the sum of its proper divisors (451529574549).

1012112222211 is a wasteful number, since it uses less digits than its factorization.

1012112222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130916946 (or 130916943 counting only the distinct ones).

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

Adding to 1012112222211 its reverse (1122222112101), we get a palindrome (2134334334312).

The spelling of 1012112222211 in words is "one trillion, twelve billion, one hundred twelve million, two hundred twenty-two thousand, two hundred eleven".