1021022101011 has 8 divisors (see below), whose sum is σ = 1485123056064. Its totient is φ = 618801273320.

The previous prime is 1021022100971. The next prime is 1021022101067. The reversal of 1021022101011 is 1101012201201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021022101011 - 2¹⁰ = 1021022099987 is a prime.

It is a super-2 number, since 2×1021022101011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021022101711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15470031801 + ... + 15470031866.

It is an arithmetic number, because the mean of its divisors is an integer number (185640382008).

Almost surely, 2^{1021022101011} is an apocalyptic number.

1021022101011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1021022101011 is a deficient number, since it is larger than the sum of its proper divisors (464100955053).

1021022101011 is a wasteful number, since it uses less digits than its factorization.

1021022101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30940063681.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021022101011 its reverse (1101012201201), we get a palindrome (2122034302212).

The spelling of 1021022101011 in words is "one trillion, twenty-one billion, twenty-two million, one hundred one thousand, eleven".