1211122022 has 16 divisors (see below), whose sum is σ = 1999378512. Its totient is φ = 545637120.

The previous prime is 1211122019. The next prime is 1211122037. The reversal of 1211122022 is 2202211121.

It is a junction number, because it is equal to n+sod(n) for n = 1211121988 and 1211122006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241103 + ... + 246074.

It is an arithmetic number, because the mean of its divisors is an integer number (124961157).

Almost surely, 2^1211122022 is an apocalyptic number.

1211122022 is a deficient number, since it is larger than the sum of its proper divisors (788256490).

1211122022 is a wasteful number, since it uses less digits than its factorization.

1211122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487303.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1211122022 is about 34801.1784570580. The cubic root of 1211122022 is about 1065.9315094327.

Adding to 1211122022 its reverse (2202211121), we get a palindrome (3413333143).

The spelling of 1211122022 in words is "one billion, two hundred eleven million, one hundred twenty-two thousand, twenty-two".