1020201021022 has 32 divisors (see below), whose sum is σ = 1647989950464. Its totient is φ = 471906470400.

The previous prime is 1020201020987. The next prime is 1020201021023. The reversal of 1020201021022 is 2201201020201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020201020993 and 1020201021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201021023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2931747 + ... + 3261217.

It is an arithmetic number, because the mean of its divisors is an integer number (51499685952).

Almost surely, 2^{1020201021022} is an apocalyptic number.

1020201021022 is a deficient number, since it is larger than the sum of its proper divisors (627788929442).

1020201021022 is a wasteful number, since it uses less digits than its factorization.

1020201021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331044.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020201021022 its reverse (2201201020201), we get a palindrome (3221402041223).

The spelling of 1020201021022 in words is "one trillion, twenty billion, two hundred one million, twenty-one thousand, twenty-two".