1122121010 has 32 divisors (see below), whose sum is σ = 2116782720. Its totient is φ = 427470208.

The previous prime is 1122120997. The next prime is 1122121031. The reversal of 1122121010 is 101212211.

It is a super-2 number, since 2×1122121010² = 2518311122166840200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122120982 and 1122121000.

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 15 ways as a sum of consecutive naturals, for example, 43121 + ... + 64059.

It is an arithmetic number, because the mean of its divisors is an integer number (66149460).

Almost surely, 2^1122121010 is an apocalyptic number.

1122121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122121010 is a deficient number, since it is larger than the sum of its proper divisors (994661710).

1122121010 is a wasteful number, since it uses less digits than its factorization.

1122121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1122121010 is about 33498.0747207955. The cubic root of 1122121010 is about 1039.1539624548.

Adding to 1122121010 its reverse (101212211), we get a palindrome (1223333221).

The spelling of 1122121010 in words is "one billion, one hundred twenty-two million, one hundred twenty-one thousand, ten".