121022002210 has 64 divisors (see below), whose sum is σ = 227978102880. Its totient is φ = 46197043200.

The previous prime is 121022002207. The next prime is 121022002217. The reversal of 121022002210 is 12200220121.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 12094940529 + 108927061681 = 109977^2 + 330041^2 .

It is not an unprimeable number, because it can be changed into a prime (121022002217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12218260 + ... + 12228160.

Almost surely, 2^121022002210 is an apocalyptic number.

121022002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022002210 is a deficient number, since it is larger than the sum of its proper divisors (106956100670).

121022002210 is a wasteful number, since it uses less digits than its factorization.

121022002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121022002210 its reverse (12200220121), we get a palindrome (133222222331).

The spelling of 121022002210 in words is "one hundred twenty-one billion, twenty-two million, two thousand, two hundred ten".