30111120101020 has 48 divisors (see below), whose sum is σ = 72270211603968. Its totient is φ = 10323309268800.

The previous prime is 30111120101017. The next prime is 30111120101039. The reversal of 30111120101020 is 2010102111103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355682 + ... + 8109961.

It is an arithmetic number, because the mean of its divisors is an integer number (1505629408416).

Almost surely, 2^{30111120101020} is an apocalyptic number.

It is an amenable number.

30111120101020 is an abundant number, since it is smaller than the sum of its proper divisors (42159091502948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30111120101020 is a wasteful number, since it uses less digits than its factorization.

30111120101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486210 (or 10486208 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 30111120101020 its reverse (2010102111103), we get a palindrome (32121222212123).

The spelling of 30111120101020 in words is "thirty trillion, one hundred eleven billion, one hundred twenty million, one hundred one thousand, twenty".