121222110201010 has 128 divisors (see below), whose sum is σ = 269710784985600. Its totient is φ = 38199721291776.

The previous prime is 121222110200959. The next prime is 121222110201041. The reversal of 121222110201010 is 10102011222121.

It is a super-3 number, since 3×121222110201010³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 299223066 + ... + 299627914.

It is an arithmetic number, because the mean of its divisors is an integer number (2107115507700).

Almost surely, 2^{121222110201010} is an apocalyptic number.

121222110201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222110201010 is an abundant number, since it is smaller than the sum of its proper divisors (148488674784590).

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

121222110201010 is a wasteful number, since it uses less digits than its factorization.

121222110201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406292.

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

Adding to 121222110201010 its reverse (10102011222121), we get a palindrome (131324121423131).

The spelling of 121222110201010 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, two hundred one thousand, ten".