121201102001211 has 32 divisors (see below), whose sum is σ = 167652559011840. Its totient is φ = 77801758761600.

The previous prime is 121201102001209. The next prime is 121201102001263. The reversal of 121201102001211 is 112100201102121.

It is a happy number.

It is not a de Polignac number, because 121201102001211 - 2¹ = 121201102001209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121201102001281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37025125 + ... + 40165433.

It is an arithmetic number, because the mean of its divisors is an integer number (5239142469120).

Almost surely, 2^{121201102001211} is an apocalyptic number.

121201102001211 is a deficient number, since it is larger than the sum of its proper divisors (46451457010629).

121201102001211 is a wasteful number, since it uses less digits than its factorization.

121201102001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142427.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121201102001211 its reverse (112100201102121), we get a palindrome (233301303103332).

The spelling of 121201102001211 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred two million, one thousand, two hundred eleven".