122201212021100 has 36 divisors (see below), whose sum is σ = 265496505573600. Its totient is φ = 48821521584960.

The previous prime is 122201212021037. The next prime is 122201212021121. The reversal of 122201212021100 is 1120212102221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736956980 + ... + 737122779.

It is an arithmetic number, because the mean of its divisors is an integer number (7374902932600).

Almost surely, 2^{122201212021100} is an apocalyptic number.

122201212021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201212021100 is an abundant number, since it is smaller than the sum of its proper divisors (143295293552500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122201212021100 is a wasteful number, since it uses less digits than its factorization.

122201212021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474080602 (or 1474080595 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122201212021100 its reverse (1120212102221), we get a palindrome (123321424123321).

The spelling of 122201212021100 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twelve million, twenty-one thousand, one hundred".