121000222130 has 16 divisors (see below), whose sum is σ = 223112605464. Its totient is φ = 47219598720.

The previous prime is 121000222121. The next prime is 121000222141. The reversal of 121000222130 is 31222000121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105626950009 + 15373272121 = 325003^2 + 123989^2 .

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 7 ways as a sum of consecutive naturals, for example, 147560837 + ... + 147561656.

Almost surely, 2^121000222130 is an apocalyptic number.

121000222130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000222130 is a deficient number, since it is larger than the sum of its proper divisors (102112383334).

121000222130 is a wasteful number, since it uses less digits than its factorization.

121000222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295122541.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121000222130 its reverse (31222000121), we get a palindrome (152222222251).

The spelling of 121000222130 in words is "one hundred twenty-one billion, two hundred twenty-two thousand, one hundred thirty".