121002011110101 has 256 divisors, whose sum is σ = 201701547048960. Its totient is φ = 63718499328000.

The previous prime is 121002011110073. The next prime is 121002011110103. The reversal of 121002011110101 is 101011110200121.

It is not a de Polignac number, because 121002011110101 - 2¹⁸ = 121002010847957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002011110103) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2675059981 + ... + 2675105213.

It is an arithmetic number, because the mean of its divisors is an integer number (787896668160).

Almost surely, 2^{121002011110101} is an apocalyptic number.

121002011110101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121002011110101 is a deficient number, since it is larger than the sum of its proper divisors (80699535938859).

121002011110101 is a wasteful number, since it uses less digits than its factorization.

121002011110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45448.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 121002011110101 its reverse (101011110200121), we get a palindrome (222013121310222).

The spelling of 121002011110101 in words is "one hundred twenty-one trillion, two billion, eleven million, one hundred ten thousand, one hundred one".