1011020022021 has 8 divisors (see below), whose sum is σ = 1352333491840. Its totient is φ = 671859950112.

The previous prime is 1011020022011. The next prime is 1011020022073. The reversal of 1011020022021 is 1202200201101.

1011020022021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011020022021 - 2¹¹ = 1011020019973 is a prime.

It is a super-2 number, since 2×1011020022021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011020021988 and 1011020022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011020022011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538348381 + ... + 538350258.

It is an arithmetic number, because the mean of its divisors is an integer number (169041686480).

Almost surely, 2^{1011020022021} is an apocalyptic number.

It is an amenable number.

1011020022021 is a deficient number, since it is larger than the sum of its proper divisors (341313469819).

1011020022021 is a wasteful number, since it uses less digits than its factorization.

1011020022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076698955.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1011020022021 its reverse (1202200201101), we get a palindrome (2213220223122).

The spelling of 1011020022021 in words is "one trillion, eleven billion, twenty million, twenty-two thousand, twenty-one".