1122020211 has 32 divisors (see below), whose sum is σ = 1633266432. Its totient is φ = 681033600.

The previous prime is 1122020203. The next prime is 1122020239. The reversal of 1122020211 is 1120202211.

It is not a de Polignac number, because 1122020211 - 2³ = 1122020203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122027211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1744656 + ... + 1745298.

It is an arithmetic number, because the mean of its divisors is an integer number (51039576).

Almost surely, 2^1122020211 is an apocalyptic number.

1122020211 is a deficient number, since it is larger than the sum of its proper divisors (511246221).

1122020211 is a wasteful number, since it uses less digits than its factorization.

1122020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1122020211 is about 33496.5701378514. The cubic root of 1122020211 is about 1039.1228461385.

Adding to 1122020211 its reverse (1120202211), we get a palindrome (2242222422).

The spelling of 1122020211 in words is "one billion, one hundred twenty-two million, twenty thousand, two hundred eleven".