1020200101022 has 4 divisors (see below), whose sum is σ = 1530300151536. Its totient is φ = 510100050510.

The previous prime is 1020200101001. The next prime is 1020200101027. The reversal of 1020200101022 is 2201010020201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1020200101022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020200100994 and 1020200101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020200101027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255050025254 + ... + 255050025257.

It is an arithmetic number, because the mean of its divisors is an integer number (382575037884).

Almost surely, 2^{1020200101022} is an apocalyptic number.

1020200101022 is a deficient number, since it is larger than the sum of its proper divisors (510100050514).

1020200101022 is an equidigital number, since it uses as much as digits as its factorization.

1020200101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510100050513.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020200101022 its reverse (2201010020201), we get a palindrome (3221210121223).

The spelling of 1020200101022 in words is "one trillion, twenty billion, two hundred million, one hundred one thousand, twenty-two".