1011202122020 has 24 divisors (see below), whose sum is σ = 2123847898368. Its totient is φ = 404419240800.

The previous prime is 1011202121957. The next prime is 1011202122037. The reversal of 1011202122020 is 202212021101.

1011202122020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1011202121986 and 1011202122004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3715796 + ... + 3978635.

It is an arithmetic number, because the mean of its divisors is an integer number (88493662432).

Almost surely, 2^{1011202122020} is an apocalyptic number.

1011202122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011202122020 is an abundant number, since it is smaller than the sum of its proper divisors (1112645776348).

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

1011202122020 is a wasteful number, since it uses less digits than its factorization.

1011202122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701011 (or 7701009 counting only the distinct ones).

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

Adding to 1011202122020 its reverse (202212021101), we get a palindrome (1213414143121).

The spelling of 1011202122020 in words is "one trillion, eleven billion, two hundred two million, one hundred twenty-two thousand, twenty".