2120221301 has 4 divisors (see below), whose sum is σ = 2312968704. Its totient is φ = 1927473900.

The previous prime is 2120221273. The next prime is 2120221309. The reversal of 2120221301 is 1031220212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2120221301 - 2¹⁸ = 2119959157 is a prime.

It is a super-3 number, since 3×2120221301³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120221309) 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, 96373685 + ... + 96373706.

It is an arithmetic number, because the mean of its divisors is an integer number (578242176).

Almost surely, 2^2120221301 is an apocalyptic number.

It is an amenable number.

2120221301 is a deficient number, since it is larger than the sum of its proper divisors (192747403).

2120221301 is a wasteful number, since it uses less digits than its factorization.

2120221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192747402.

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

The square root of 2120221301 is about 46045.8608454658. The cubic root of 2120221301 is about 1284.6763558853.

Adding to 2120221301 its reverse (1031220212), we get a palindrome (3151441513).

The spelling of 2120221301 in words is "two billion, one hundred twenty million, two hundred twenty-one thousand, three hundred one".