121001110201011 has 32 divisors (see below), whose sum is σ = 167694810877440. Its totient is φ = 77540066014464.

The previous prime is 121001110201001. The next prime is 121001110201033. The reversal of 121001110201011 is 110102011100121.

It is not a de Polignac number, because 121001110201011 - 2¹⁰ = 121001110199987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121001110201001) 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, 653744866 + ... + 653929928.

It is an arithmetic number, because the mean of its divisors is an integer number (5240462839920).

Almost surely, 2^{121001110201011} is an apocalyptic number.

121001110201011 is a deficient number, since it is larger than the sum of its proper divisors (46693700676429).

121001110201011 is a wasteful number, since it uses less digits than its factorization.

121001110201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256155.

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

Adding to 121001110201011 its reverse (110102011100121), we get a palindrome (231103121301132).

It can be divided in two parts, 121001110 and 201011, that added together give a palindrome (121202121).

The spelling of 121001110201011 in words is "one hundred twenty-one trillion, one billion, one hundred ten million, two hundred one thousand, eleven".