701212111121 has 4 divisors (see below), whose sum is σ = 701890923492. Its totient is φ = 700533298752.

The previous prime is 701212111091. The next prime is 701212111147. The reversal of 701212111121 is 121111212107.

It is a happy number.

701212111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 339486849025 + 361725262096 = 582655^2 + 601436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-701212111121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 701212111093 and 701212111102.

It is not an unprimeable number, because it can be changed into a prime (701212111421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339404636 + ... + 339406701.

It is an arithmetic number, because the mean of its divisors is an integer number (175472730873).

Almost surely, 2^701212111121 is an apocalyptic number.

It is an amenable number.

701212111121 is a deficient number, since it is larger than the sum of its proper divisors (678812371).

701212111121 is a wasteful number, since it uses less digits than its factorization.

701212111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678812370.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 701212111121 its reverse (121111212107), we get a palindrome (822323323228).

The spelling of 701212111121 in words is "seven hundred one billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty-one".