121112002001101 has 16 divisors (see below), whose sum is σ = 122270300135424. Its totient is φ = 119959885916784.

The previous prime is 121112002001077. The next prime is 121112002001131. The reversal of 121112002001101 is 101100200211121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121112002001101 - 2⁹ = 121112002000589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112002001131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77332920 + ... + 78883486.

It is an arithmetic number, because the mean of its divisors is an integer number (7641893758464).

Almost surely, 2^{121112002001101} is an apocalyptic number.

It is an amenable number.

121112002001101 is a deficient number, since it is larger than the sum of its proper divisors (1158298134323).

121112002001101 is a wasteful number, since it uses less digits than its factorization.

121112002001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552560.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121112002001101 its reverse (101100200211121), we get a palindrome (222212202212222).

The spelling of 121112002001101 in words is "one hundred twenty-one trillion, one hundred twelve billion, two million, one thousand, one hundred one".