1121210222210 has 32 divisors (see below), whose sum is σ = 2174500953072. Its totient is φ = 413779968000.

The previous prime is 1121210222201. The next prime is 1121210222219. The reversal of 1121210222210 is 122220121211.

It is an interprime number because it is at equal distance from previous prime (1121210222201) and next prime (1121210222219).

It can be written as a sum of positive squares in 8 ways, for example, as 298232855449 + 822977366761 = 546107^2 + 907181^2 .

It is a super-2 number, since 2×1121210222210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121210222219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1875791 + ... + 2400210.

Almost surely, 2^{1121210222210} is an apocalyptic number.

1121210222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121210222210 is a deficient number, since it is larger than the sum of its proper divisors (1053290730862).

1121210222210 is a wasteful number, since it uses less digits than its factorization.

1121210222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278038.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121210222210 its reverse (122220121211), we get a palindrome (1243430343421).

The spelling of 1121210222210 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, two hundred ten".