121002101200211 has 72 divisors (see below), whose sum is σ = 155248293891600. Its totient is φ = 93963999360000.

The previous prime is 121002101200153. The next prime is 121002101200219. The reversal of 121002101200211 is 112002101200121.

It is a de Polignac number, because none of the positive numbers 2^k-121002101200211 is a prime.

It is a super-2 number, since 2×121002101200211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121002101200219) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2593860815 + ... + 2593907463.

It is an arithmetic number, because the mean of its divisors is an integer number (2156226304050).

Almost surely, 2^{121002101200211} is an apocalyptic number.

121002101200211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121002101200211 is a deficient number, since it is larger than the sum of its proper divisors (34246192691389).

121002101200211 is a wasteful number, since it uses less digits than its factorization.

121002101200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48177 (or 48159 counting only the distinct ones).

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

Adding to 121002101200211 its reverse (112002101200121), we get a palindrome (233004202400332).

The spelling of 121002101200211 in words is "one hundred twenty-one trillion, two billion, one hundred one million, two hundred thousand, two hundred eleven".