1022111021101 has 4 divisors (see below), whose sum is σ = 1036112542012. Its totient is φ = 1008109500192.

The previous prime is 1022111021077. The next prime is 1022111021149. The reversal of 1022111021101 is 1011201112201.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 552747640900 + 469363380201 = 743470^2 + 685101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022111021101 - 2²⁷ = 1021976803373 is a prime.

It is a super-2 number, since 2×1022111021101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022111027101) 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, 7000760346 + ... + 7000760491.

It is an arithmetic number, because the mean of its divisors is an integer number (259028135503).

Almost surely, 2^{1022111021101} is an apocalyptic number.

It is an amenable number.

1022111021101 is a deficient number, since it is larger than the sum of its proper divisors (14001520911).

1022111021101 is an equidigital number, since it uses as much as digits as its factorization.

1022111021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001520910.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1022111021101 its reverse (1011201112201), we get a palindrome (2033312133302).

The spelling of 1022111021101 in words is "one trillion, twenty-two billion, one hundred eleven million, twenty-one thousand, one hundred one".