1011022022021 has 48 divisors (see below), whose sum is σ = 1148527564800. Its totient is φ = 888771502080.

The previous prime is 1011022021979. The next prime is 1011022022047. The reversal of 1011022022021 is 1202202201101.

It is not a de Polignac number, because 1011022022021 - 2⁶ = 1011022021957 is a prime.

It is a super-2 number, since 2×1011022022021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011022021987 and 1011022022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011022022321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 375983045 + ... + 375985733.

It is an arithmetic number, because the mean of its divisors is an integer number (23927657600).

Almost surely, 2^{1011022022021} is an apocalyptic number.

1011022022021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011022022021 is a deficient number, since it is larger than the sum of its proper divisors (137505542779).

1011022022021 is a wasteful number, since it uses less digits than its factorization.

1011022022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3439 counting only the distinct ones).

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

Adding to 1011022022021 its reverse (1202202201101), we get a palindrome (2213224223122).

The spelling of 1011022022021 in words is "one trillion, eleven billion, twenty-two million, twenty-two thousand, twenty-one".