1020111300120 has 64 divisors (see below), whose sum is σ = 3338546077440. Its totient is φ = 247299708800.

The previous prime is 1020111300107. The next prime is 1020111300121. The reversal of 1020111300120 is 210031110201.

1020111300120 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1020111300096 and 1020111300105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020111300121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386404476 + ... + 386407115.

It is an arithmetic number, because the mean of its divisors is an integer number (52164782460).

Almost surely, 2^{1020111300120} is an apocalyptic number.

1020111300120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020111300120 is an abundant number, since it is smaller than the sum of its proper divisors (2318434777320).

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

1020111300120 is a wasteful number, since it uses less digits than its factorization.

1020111300120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772811616 (or 772811612 counting only the distinct ones).

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

Adding to 1020111300120 its reverse (210031110201), we get a palindrome (1230142410321).

It can be divided in two parts, 1020111 and 300120, that added together give a palindrome (1320231).

The spelling of 1020111300120 in words is "one trillion, twenty billion, one hundred eleven million, three hundred thousand, one hundred twenty".