122001211120210 has 16 divisors (see below), whose sum is σ = 227174668983000. Its totient is φ = 47117709122176.

The previous prime is 122001211120199. The next prime is 122001211120303. The reversal of 122001211120210 is 12021112100221.

It can be written as a sum of positive squares in 4 ways, for example, as 65125012980049 + 56876198140161 = 8070007^2 + 7541631^2 .

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, 210346915435 + ... + 210346916014.

Almost surely, 2^{122001211120210} is an apocalyptic number.

122001211120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122001211120210 is a deficient number, since it is larger than the sum of its proper divisors (105173457862790).

122001211120210 is a wasteful number, since it uses less digits than its factorization.

122001211120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420693831485.

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

Adding to 122001211120210 its reverse (12021112100221), we get a palindrome (134022323220431).

The spelling of 122001211120210 in words is "one hundred twenty-two trillion, one billion, two hundred eleven million, one hundred twenty thousand, two hundred ten".