121210002002011 has 32 divisors (see below), whose sum is σ = 135330964973568. Its totient is φ = 107805808293120.

The previous prime is 121210002001993. The next prime is 121210002002053. The reversal of 121210002002011 is 110200200012121.

It is a cyclic number.

It is not a de Polignac number, because 121210002002011 - 2²³ = 121209993613403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121210002001982 and 121210002002000.

It is not an unprimeable number, because it can be changed into a prime (121210002002071) 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, 2338716480 + ... + 2338768306.

It is an arithmetic number, because the mean of its divisors is an integer number (4229092655424).

Almost surely, 2^{121210002002011} is an apocalyptic number.

121210002002011 is a deficient number, since it is larger than the sum of its proper divisors (14120962971557).

121210002002011 is a wasteful number, since it uses less digits than its factorization.

121210002002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77011.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121210002002011 its reverse (110200200012121), we get a palindrome (231410202014132).

The spelling of 121210002002011 in words is "one hundred twenty-one trillion, two hundred ten billion, two million, two thousand, eleven".