121002210001211 has 8 divisors (see below), whose sum is σ = 150859898183424. Its totient is φ = 94287436364520.

The previous prime is 121002210001171. The next prime is 121002210001241. The reversal of 121002210001211 is 112100012200121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121002210001211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121002210001241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785728636295 + ... + 785728636448.

It is an arithmetic number, because the mean of its divisors is an integer number (18857487272928).

Almost surely, 2^{121002210001211} is an apocalyptic number.

121002210001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121002210001211 is a deficient number, since it is larger than the sum of its proper divisors (29857688182213).

121002210001211 is a wasteful number, since it uses less digits than its factorization.

121002210001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571457272761.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121002210001211 its reverse (112100012200121), we get a palindrome (233102222201332).

The spelling of 121002210001211 in words is "one hundred twenty-one trillion, two billion, two hundred ten million, one thousand, two hundred eleven".