121000021212202 has 16 divisors (see below), whose sum is σ = 199960431097824. Its totient is φ = 54455455090000.

The previous prime is 121000021212181. The next prime is 121000021212223. The reversal of 121000021212202 is 202212120000121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121000021212181) and next prime (121000021212223).

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, 27227725324 + ... + 27227729767.

It is an arithmetic number, because the mean of its divisors is an integer number (12497526943614).

Almost surely, 2^{121000021212202} is an apocalyptic number.

121000021212202 is a deficient number, since it is larger than the sum of its proper divisors (78960409885622).

121000021212202 is a wasteful number, since it uses less digits than its factorization.

121000021212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54455455205.

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

Adding to 121000021212202 its reverse (202212120000121), we get a palindrome (323212141212323).

The spelling of 121000021212202 in words is "one hundred twenty-one trillion, twenty-one million, two hundred twelve thousand, two hundred two".