121211221112002 has 8 divisors (see below), whose sum is σ = 207790664763456. Its totient is φ = 51947666190852.

The previous prime is 121211221111957. The next prime is 121211221112011. The reversal of 121211221112002 is 200211122112121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121211221112002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328972182558 + ... + 4328972182585.

It is an arithmetic number, because the mean of its divisors is an integer number (25973833095432).

Almost surely, 2^{121211221112002} is an apocalyptic number.

121211221112002 is a deficient number, since it is larger than the sum of its proper divisors (86579443651454).

121211221112002 is an equidigital number, since it uses as much as digits as its factorization.

121211221112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657944365152.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121211221112002 its reverse (200211122112121), we get a palindrome (321422343224123).

The spelling of 121211221112002 in words is "one hundred twenty-one trillion, two hundred eleven billion, two hundred twenty-one million, one hundred twelve thousand, two".