30102100111211 has 4 divisors (see below), whose sum is σ = 31410887072592. Its totient is φ = 28793313149832.

The previous prime is 30102100111207. The next prime is 30102100111231. The reversal of 30102100111211 is 11211100120103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30102100111211 - 2² = 30102100111207 is a prime.

It is a super-2 number, since 2×30102100111211² (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 (30102100111231) 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, 654393480656 + ... + 654393480701.

It is an arithmetic number, because the mean of its divisors is an integer number (7852721768148).

Almost surely, 2^{30102100111211} is an apocalyptic number.

30102100111211 is a deficient number, since it is larger than the sum of its proper divisors (1308786961381).

30102100111211 is a wasteful number, since it uses less digits than its factorization.

30102100111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308786961380.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 30102100111211 its reverse (11211100120103), we get a palindrome (41313200231314).

The spelling of 30102100111211 in words is "thirty trillion, one hundred two billion, one hundred million, one hundred eleven thousand, two hundred eleven".