30221102101 has 4 divisors (see below), whose sum is σ = 31263209100. Its totient is φ = 29178995104.

The previous prime is 30221102089. The next prime is 30221102111. The reversal of 30221102101 is 10120112203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10120112203 = 8039 ⋅1258877.

It can be written as a sum of positive squares in 2 ways, for example, as 7192736100 + 23028366001 = 84810^2 + 151751^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221102101 - 2²³ = 30212713493 is a prime.

It is a super-2 number, since 2×30221102101² (a number of 22 digits) contains 22 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 (30221102111) 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, 521053456 + ... + 521053513.

It is an arithmetic number, because the mean of its divisors is an integer number (7815802275).

Almost surely, 2^30221102101 is an apocalyptic number.

It is an amenable number.

30221102101 is a deficient number, since it is larger than the sum of its proper divisors (1042106999).

30221102101 is a wasteful number, since it uses less digits than its factorization.

30221102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042106998.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30221102101 its reverse (10120112203), we get a palindrome (40341214304).

The spelling of 30221102101 in words is "thirty billion, two hundred twenty-one million, one hundred two thousand, one hundred one".