1211023022 has 16 divisors (see below), whose sum is σ = 1985727744. Its totient is φ = 549339000.

The previous prime is 1211023019. The next prime is 1211023039. The reversal of 1211023022 is 2203201121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1211022988 and 1211023006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45254 + ... + 66857.

It is an arithmetic number, because the mean of its divisors is an integer number (124107984).

Almost surely, 2^1211023022 is an apocalyptic number.

1211023022 is a deficient number, since it is larger than the sum of its proper divisors (774704722).

1211023022 is a wasteful number, since it uses less digits than its factorization.

1211023022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112615.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1211023022 is about 34799.7560623634. The cubic root of 1211023022 is about 1065.9024647141.

Adding to 1211023022 its reverse (2203201121), we get a palindrome (3414224143).

The spelling of 1211023022 in words is "one billion, two hundred eleven million, twenty-three thousand, twenty-two".