121222102020010 has 16 divisors (see below), whose sum is σ = 231035065026696. Its totient is φ = 45636556054528.

The previous prime is 121222102019983. The next prime is 121222102020011. The reversal of 121222102020010 is 10020201222121.

It is a happy number.

121222102020010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 105562124081649 + 15659977938361 = 10274343^2 + 3957269^2 .

It is not an unprimeable number, because it can be changed into a prime (121222102020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356535594007 + ... + 356535594346.

Almost surely, 2^{121222102020010} is an apocalyptic number.

121222102020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222102020010 is a deficient number, since it is larger than the sum of its proper divisors (109812963006686).

121222102020010 is a wasteful number, since it uses less digits than its factorization.

121222102020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713071188377.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121222102020010 its reverse (10020201222121), we get a palindrome (131242303242131).

The spelling of 121222102020010 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred two million, twenty thousand, ten".