312002022101 has 16 divisors (see below), whose sum is σ = 389004042240. Its totient is φ = 243109391280.

The previous prime is 312002022089. The next prime is 312002022169. The reversal of 312002022101 is 101220200213.

It is a happy number.

It is not a de Polignac number, because 312002022101 - 2⁶ = 312002022037 is a prime.

It is a super-2 number, since 2×312002022101² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312002022301) 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, 2625080 + ... + 2741358.

It is an arithmetic number, because the mean of its divisors is an integer number (24312752640).

Almost surely, 2^312002022101 is an apocalyptic number.

It is an amenable number.

312002022101 is a deficient number, since it is larger than the sum of its proper divisors (77002020139).

312002022101 is a wasteful number, since it uses less digits than its factorization.

312002022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151144.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 312002022101 its reverse (101220200213), we get a palindrome (413222222314).

The spelling of 312002022101 in words is "three hundred twelve billion, two million, twenty-two thousand, one hundred one".