121122211201010 has 32 divisors (see below), whose sum is σ = 221980955818752. Its totient is φ = 47573288231040.

The previous prime is 121122211201003. The next prime is 121122211201027. The reversal of 121122211201010 is 10102112221121.

It is a self number, because there is not a number n which added to its sum of digits gives 121122211201010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288575306 + ... + 288994725.

It is an arithmetic number, because the mean of its divisors is an integer number (6936904869336).

Almost surely, 2^{121122211201010} is an apocalyptic number.

121122211201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122211201010 is a deficient number, since it is larger than the sum of its proper divisors (100858744617742).

121122211201010 is a wasteful number, since it uses less digits than its factorization.

121122211201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577570418.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121122211201010 its reverse (10102112221121), we get a palindrome (131224323422131).

The spelling of 121122211201010 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred one thousand, ten".