1121210122 has 16 divisors (see below), whose sum is σ = 1780273440. Its totient is φ = 528684912.

The previous prime is 1121210117. The next prime is 1121210137. The reversal of 1121210122 is 2210121211.

It is a super-2 number, since 2×1121210122² = 2514224275350509768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222288 + ... + 227275.

It is an arithmetic number, because the mean of its divisors is an integer number (111267090).

Almost surely, 2^1121210122 is an apocalyptic number.

1121210122 is a deficient number, since it is larger than the sum of its proper divisors (659063318).

1121210122 is a wasteful number, since it uses less digits than its factorization.

1121210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449637.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1121210122 is about 33484.4758358258. The cubic root of 1121210122 is about 1038.8727066589.

Adding to 1121210122 its reverse (2210121211), we get a palindrome (3331331333).

The spelling of 1121210122 in words is "one billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-two".