1022100221011 has 4 divisors (see below), whose sum is σ = 1043847034272. Its totient is φ = 1000353407752.

The previous prime is 1022100220957. The next prime is 1022100221029. The reversal of 1022100221011 is 1101220012201.

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 1022100221011 - 2¹¹ = 1022100218963 is a prime.

It is a super-3 number, since 3×1022100221011³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022100220982 and 1022100221000.

It is not an unprimeable number, because it can be changed into a prime (1022100221911) 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, 10873406560 + ... + 10873406653.

It is an arithmetic number, because the mean of its divisors is an integer number (260961758568).

Almost surely, 2^{1022100221011} is an apocalyptic number.

1022100221011 is a deficient number, since it is larger than the sum of its proper divisors (21746813261).

1022100221011 is an equidigital number, since it uses as much as digits as its factorization.

1022100221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21746813260.

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

Adding to 1022100221011 its reverse (1101220012201), we get a palindrome (2123320233212).

The spelling of 1022100221011 in words is "one trillion, twenty-two billion, one hundred million, two hundred twenty-one thousand, eleven".