1011012022120 has 64 divisors (see below), whose sum is σ = 2378636928000. Its totient is φ = 386014261248.

The previous prime is 1011012022117. The next prime is 1011012022127. The reversal of 1011012022120 is 212202101101.

1011012022120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1011012022120.

It is not an unprimeable number, because it can be changed into a prime (1011012022127) 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, 706425 + ... + 1587784.

It is an arithmetic number, because the mean of its divisors is an integer number (37166202000).

Almost surely, 2^{1011012022120} is an apocalyptic number.

1011012022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011012022120 is an abundant number, since it is smaller than the sum of its proper divisors (1367624905880).

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

1011012022120 is a wasteful number, since it uses less digits than its factorization.

1011012022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294722 (or 2294718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011012022120 its reverse (212202101101), we get a palindrome (1223214123221).

The spelling of 1011012022120 in words is "one trillion, eleven billion, twelve million, twenty-two thousand, one hundred twenty".