1011020222120 has 64 divisors (see below), whose sum is σ = 2353571251200. Its totient is φ = 390407476480.

The previous prime is 1011020222119. The next prime is 1011020222137. The reversal of 1011020222120 is 212220201101.

It is a junction number, because it is equal to n+sod(n) for n = 1011020222095 and 1011020222104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8626715 + ... + 8743125.

It is an arithmetic number, because the mean of its divisors is an integer number (36774550800).

Almost surely, 2^{1011020222120} is an apocalyptic number.

1011020222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011020222120 is an abundant number, since it is smaller than the sum of its proper divisors (1342551029080).

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

1011020222120 is a wasteful number, since it uses less digits than its factorization.

1011020222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123938 (or 123934 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1011020222120 its reverse (212220201101), we get a palindrome (1223240423221).

The spelling of 1011020222120 in words is "one trillion, eleven billion, twenty million, two hundred twenty-two thousand, one hundred twenty".