30122111002 has 16 divisors (see below), whose sum is σ = 45819265320. Its totient is φ = 14850404352.

The previous prime is 30122110973. The next prime is 30122111003. The reversal of 30122111002 is 20011122103.

It can be written as a sum of positive squares in 4 ways, for example, as 15916093281 + 14206017721 = 126159^2 + 119189^2 .

It is not an unprimeable number, because it can be changed into a prime (30122111003) 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, 301677 + ... + 388912.

Almost surely, 2^30122111002 is an apocalyptic number.

30122111002 is a deficient number, since it is larger than the sum of its proper divisors (15697154318).

30122111002 is a wasteful number, since it uses less digits than its factorization.

30122111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690897.

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

Adding to 30122111002 its reverse (20011122103), we get a palindrome (50133233105).

The spelling of 30122111002 in words is "thirty billion, one hundred twenty-two million, one hundred eleven thousand, two".