1021022022011 has 4 divisors (see below), whose sum is σ = 1021024208952. Its totient is φ = 1021019835072.

The previous prime is 1021022022001. The next prime is 1021022022077. The reversal of 1021022022011 is 1102202201201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1021022022011 - 2⁶ = 1021022021947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021022022001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80141 + ... + 1431246.

It is an arithmetic number, because the mean of its divisors is an integer number (255256052238).

Almost surely, 2^{1021022022011} is an apocalyptic number.

1021022022011 is a deficient number, since it is larger than the sum of its proper divisors (2186941).

1021022022011 is an equidigital number, since it uses as much as digits as its factorization.

1021022022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186940.

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

Adding to 1021022022011 its reverse (1102202201201), we get a palindrome (2123224223212).

The spelling of 1021022022011 in words is "one trillion, twenty-one billion, twenty-two million, twenty-two thousand, eleven".