30002121132121 has 4 divisors (see below), whose sum is σ = 30159200300544. Its totient is φ = 29845041963700.

The previous prime is 30002121132079. The next prime is 30002121132197. The reversal of 30002121132121 is 12123112120003.

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 a cyclic number.

It is not a de Polignac number, because 30002121132121 - 2²¹ = 30002119034969 is a prime.

It is a super-2 number, since 2×30002121132121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30002121132421) 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, 78539583925 + ... + 78539584306.

It is an arithmetic number, because the mean of its divisors is an integer number (7539800075136).

Almost surely, 2^{30002121132121} is an apocalyptic number.

It is an amenable number.

30002121132121 is a deficient number, since it is larger than the sum of its proper divisors (157079168423).

30002121132121 is a wasteful number, since it uses less digits than its factorization.

30002121132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157079168422.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30002121132121 its reverse (12123112120003), we get a palindrome (42125233252124).

The spelling of 30002121132121 in words is "thirty trillion, two billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred twenty-one".