1020101222201 has 4 divisors (see below), whose sum is σ = 1030201234404. Its totient is φ = 1010001210000.

The previous prime is 1020101222149. The next prime is 1020101222213. The reversal of 1020101222201 is 1022221010201.

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 1000870189225 + 19231032976 = 1000435^2 + 138676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020101222201 - 2¹⁰ = 1020101221177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020101222501) 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, 5050005950 + ... + 5050006151.

It is an arithmetic number, because the mean of its divisors is an integer number (257550308601).

Almost surely, 2^{1020101222201} is an apocalyptic number.

It is an amenable number.

1020101222201 is a deficient number, since it is larger than the sum of its proper divisors (10100012203).

1020101222201 is a wasteful number, since it uses less digits than its factorization.

1020101222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100012202.

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

Adding to 1020101222201 its reverse (1022221010201), we get a palindrome (2042322232402).

The spelling of 1020101222201 in words is "one trillion, twenty billion, one hundred one million, two hundred twenty-two thousand, two hundred one".