1011020222001 has 8 divisors (see below), whose sum is σ = 1348031895520. Its totient is φ = 674011014912.

The previous prime is 1011020221993. The next prime is 1011020222071. The reversal of 1011020222001 is 1002220201101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011020222001 - 2³ = 1011020221993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011020222071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814086 + ... + 1638528.

It is an arithmetic number, because the mean of its divisors is an integer number (168503986940).

Almost surely, 2^{1011020222001} is an apocalyptic number.

It is an amenable number.

1011020222001 is a deficient number, since it is larger than the sum of its proper divisors (337011673519).

1011020222001 is an equidigital number, since it uses as much as digits as its factorization.

1011020222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233215.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1011020222001 its reverse (1002220201101), we get a palindrome (2013240423102).

The spelling of 1011020222001 in words is "one trillion, eleven billion, twenty million, two hundred twenty-two thousand, one".