121002030121011 has 32 divisors (see below), whose sum is σ = 174738760752192. Its totient is φ = 74037687482880.

The previous prime is 121002030121009. The next prime is 121002030121043. The reversal of 121002030121011 is 110121030200121.

It is not a de Polignac number, because 121002030121011 - 2¹ = 121002030121009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121002030121051) 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, 36627001 + ... + 39793733.

It is an arithmetic number, because the mean of its divisors is an integer number (5460586273506).

Almost surely, 2^{121002030121011} is an apocalyptic number.

121002030121011 is a deficient number, since it is larger than the sum of its proper divisors (53736730631181).

121002030121011 is a wasteful number, since it uses less digits than its factorization.

121002030121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172343.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121002030121011 its reverse (110121030200121), we get a palindrome (231123060321132).

The spelling of 121002030121011 in words is "one hundred twenty-one trillion, two billion, thirty million, one hundred twenty-one thousand, eleven".