1022120021101 has 16 divisors (see below), whose sum is σ = 1093395283200. Its totient is φ = 953802577728.

The previous prime is 1022120021099. The next prime is 1022120021123. The reversal of 1022120021101 is 1011200212201.

It is a cyclic number.

It is not a de Polignac number, because 1022120021101 - 2¹ = 1022120021099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022120021141) 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, 4859781 + ... + 5065738.

It is an arithmetic number, because the mean of its divisors is an integer number (68337205200).

Almost surely, 2^{1022120021101} is an apocalyptic number.

It is an amenable number.

1022120021101 is a deficient number, since it is larger than the sum of its proper divisors (71275262099).

1022120021101 is an equidigital number, since it uses as much as digits as its factorization.

1022120021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9925668.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1022120021101 its reverse (1011200212201), we get a palindrome (2033320233302).

The spelling of 1022120021101 in words is "one trillion, twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred one".