1020222102101 has 4 divisors (see below), whose sum is σ = 1020325614252. Its totient is φ = 1020118589952.

The previous prime is 1020222102083. The next prime is 1020222102103. The reversal of 1020222102101 is 1012012220201.

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 464673988900 + 555548113201 = 681670^2 + 745351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020222102101 - 2⁶ = 1020222102037 is a prime.

It is a super-2 number, since 2×1020222102101² (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 (1020222102103) 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, 51741290 + ... + 51761003.

It is an arithmetic number, because the mean of its divisors is an integer number (255081403563).

Almost surely, 2^{1020222102101} is an apocalyptic number.

It is an amenable number.

1020222102101 is a deficient number, since it is larger than the sum of its proper divisors (103512151).

1020222102101 is an equidigital number, since it uses as much as digits as its factorization.

1020222102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103512150.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020222102101 its reverse (1012012220201), we get a palindrome (2032234322302).

The spelling of 1020222102101 in words is "one trillion, twenty billion, two hundred twenty-two million, one hundred two thousand, one hundred one".