1022021002101 has 16 divisors (see below), whose sum is σ = 1486626882048. Its totient is φ = 619385468400.

The previous prime is 1022021002099. The next prime is 1022021002147. The reversal of 1022021002101 is 1012001202201.

It is not a de Polignac number, because 1022021002101 - 2¹ = 1022021002099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022021002901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477390 + ... + 1507296.

It is an arithmetic number, because the mean of its divisors is an integer number (92914180128).

Almost surely, 2^{1022021002101} is an apocalyptic number.

1022021002101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022021002101 is a deficient number, since it is larger than the sum of its proper divisors (464605879947).

1022021002101 is a wasteful number, since it uses less digits than its factorization.

1022021002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059992.

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

Adding to 1022021002101 its reverse (1012001202201), we get a palindrome (2034022204302).

The spelling of 1022021002101 in words is "one trillion, twenty-two billion, twenty-one million, two thousand, one hundred one".