121102221102010 has 16 divisors (see below), whose sum is σ = 225500687569800. Its totient is φ = 46770512977216.

The previous prime is 121102221101909. The next prime is 121102221102053. The reversal of 121102221102010 is 10201122201121.

It can be written as a sum of positive squares in 4 ways, for example, as 95217763845681 + 25884457256329 = 9757959^2 + 5087677^2 .

It is a super-2 number, since 2×121102221102010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208796932645 + ... + 208796933224.

Almost surely, 2^{121102221102010} is an apocalyptic number.

121102221102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102221102010 is a deficient number, since it is larger than the sum of its proper divisors (104398466467790).

121102221102010 is a wasteful number, since it uses less digits than its factorization.

121102221102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417593865905.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121102221102010 its reverse (10201122201121), we get a palindrome (131303343303131).

The spelling of 121102221102010 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, one hundred two thousand, ten".