121202120001211 has 8 divisors (see below), whose sum is σ = 127723973210784. Its totient is φ = 114784616443200.

The previous prime is 121202120001173. The next prime is 121202120001223. The reversal of 121202120001211 is 112100021202121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121202120001211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202120071211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26087410506 + ... + 26087415151.

It is an arithmetic number, because the mean of its divisors is an integer number (15965496651348).

Almost surely, 2^{121202120001211} is an apocalyptic number.

121202120001211 is a deficient number, since it is larger than the sum of its proper divisors (6521853209573).

121202120001211 is a wasteful number, since it uses less digits than its factorization.

121202120001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52174825781.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121202120001211 its reverse (112100021202121), we get a palindrome (233302141203332).

The spelling of 121202120001211 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred twenty million, one thousand, two hundred eleven".