1010220101001 has 24 divisors (see below), whose sum is σ = 1563803317440. Its totient is φ = 626787554976.

The previous prime is 1010220100999. The next prime is 1010220101027. The reversal of 1010220101001 is 1001010220101.

It is a happy number.

It is not a de Polignac number, because 1010220101001 - 2¹ = 1010220100999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1010220101081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65942211 + ... + 65957528.

It is an arithmetic number, because the mean of its divisors is an integer number (65158471560).

Almost surely, 2^{1010220101001} is an apocalyptic number.

It is an amenable number.

1010220101001 is a deficient number, since it is larger than the sum of its proper divisors (553583216439).

1010220101001 is a wasteful number, since it uses less digits than its factorization.

1010220101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131899805 (or 131899802 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1010220101001 its reverse (1001010220101), we get a palindrome (2011230321102).

The spelling of 1010220101001 in words is "one trillion, ten billion, two hundred twenty million, one hundred one thousand, one".