121002012202011 has 32 divisors (see below), whose sum is σ = 163912465586688. Its totient is φ = 79389169873920.

The previous prime is 121002012201977. The next prime is 121002012202111. The reversal of 121002012202011 is 110202210200121.

It is not a de Polignac number, because 121002012202011 - 2¹⁷ = 121002012070939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121002012202111) 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, 741684130 + ... + 741847256.

It is an arithmetic number, because the mean of its divisors is an integer number (5122264549584).

Almost surely, 2^{121002012202011} is an apocalyptic number.

121002012202011 is a deficient number, since it is larger than the sum of its proper divisors (42910453384677).

121002012202011 is a wasteful number, since it uses less digits than its factorization.

121002012202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177491.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121002012202011 its reverse (110202210200121), we get a palindrome (231204222402132).

The spelling of 121002012202011 in words is "one hundred twenty-one trillion, two billion, twelve million, two hundred two thousand, eleven".