2301220312121 has 8 divisors (see below), whose sum is σ = 2436601201920. Its totient is φ = 2165841087808.

The previous prime is 2301220311991. The next prime is 2301220312133. The reversal of 2301220312121 is 1212130221032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2301220312121 is a prime.

It is a super-2 number, since 2×2301220312121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301220312093 and 2301220312102.

It is not an unprimeable number, because it can be changed into a prime (2301220912121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3458960 + ... + 4070238.

It is an arithmetic number, because the mean of its divisors is an integer number (304575150240).

Almost surely, 2^{2301220312121} is an apocalyptic number.

It is an amenable number.

2301220312121 is a deficient number, since it is larger than the sum of its proper divisors (135380889799).

2301220312121 is a wasteful number, since it uses less digits than its factorization.

2301220312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832743.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2301220312121 its reverse (1212130221032), we get a palindrome (3513350533153).

The spelling of 2301220312121 in words is "two trillion, three hundred one billion, two hundred twenty million, three hundred twelve thousand, one hundred twenty-one".