121122100022006 has 16 divisors (see below), whose sum is σ = 181906122314448. Its totient is φ = 60486727279200.

The previous prime is 121122100021987. The next prime is 121122100022023. The reversal of 121122100022006 is 600220001221121.

It is a super-2 number, since 2×121122100022006² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222059336 + ... + 222604116.

It is an arithmetic number, because the mean of its divisors is an integer number (11369132644653).

Almost surely, 2^{121122100022006} is an apocalyptic number.

121122100022006 is a deficient number, since it is larger than the sum of its proper divisors (60784022292442).

121122100022006 is a wasteful number, since it uses less digits than its factorization.

121122100022006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681007.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121122100022006 its reverse (600220001221121), we get a palindrome (721342101243127).

The spelling of 121122100022006 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, twenty-two thousand, six".