1210022011 has 16 divisors (see below), whose sum is σ = 1391132160. Its totient is φ = 1040899680.

The previous prime is 1210021999. The next prime is 1210022027. The reversal of 1210022011 is 1102200121.

It is a cyclic number.

It is not a de Polignac number, because 1210022011 - 2¹¹ = 1210019963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210022711) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 205470 + ... + 211276.

It is an arithmetic number, because the mean of its divisors is an integer number (86945760).

Almost surely, 2^1210022011 is an apocalyptic number.

1210022011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210022011 is a deficient number, since it is larger than the sum of its proper divisors (181110149).

1210022011 is a wasteful number, since it uses less digits than its factorization.

1210022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1210022011 is about 34785.3706462932. The cubic root of 1210022011 is about 1065.6086981519.

Adding to 1210022011 its reverse (1102200121), we get a palindrome (2312222132).

The spelling of 1210022011 in words is "one billion, two hundred ten million, twenty-two thousand, eleven".