1020100120202 has 8 divisors (see below), whose sum is σ = 1548585724896. Its totient is φ = 503904878572.

The previous prime is 1020100120183. The next prime is 1020100120211. The reversal of 1020100120202 is 2020210010201.

It is a happy number.

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

It is a super-2 number, since 2×1020100120202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3072590558 + ... + 3072590889.

It is an arithmetic number, because the mean of its divisors is an integer number (193573215612).

Almost surely, 2^{1020100120202} is an apocalyptic number.

1020100120202 is a deficient number, since it is larger than the sum of its proper divisors (528485604694).

1020100120202 is an equidigital number, since it uses as much as digits as its factorization.

1020100120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145181532.

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

Adding to 1020100120202 its reverse (2020210010201), we get a palindrome (3040310130403).

The spelling of 1020100120202 in words is "one trillion, twenty billion, one hundred million, one hundred twenty thousand, two hundred two".