1022212122111 has 6 divisors (see below), whose sum is σ = 1476528620840. Its totient is φ = 681474748068.

The previous prime is 1022212122103. The next prime is 1022212122131. The reversal of 1022212122111 is 1112212122201.

It is not a de Polignac number, because 1022212122111 - 2³ = 1022212122103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022212122131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56789562331 + ... + 56789562348.

Almost surely, 2^{1022212122111} is an apocalyptic number.

1022212122111 is a deficient number, since it is larger than the sum of its proper divisors (454316498729).

1022212122111 is a wasteful number, since it uses less digits than its factorization.

1022212122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113579124685 (or 113579124682 counting only the distinct ones).

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

Adding to 1022212122111 its reverse (1112212122201), we get a palindrome (2134424244312).

The spelling of 1022212122111 in words is "one trillion, twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred eleven".