1012201110202 has 4 divisors (see below), whose sum is σ = 1518301665306. Its totient is φ = 506100555100.

The previous prime is 1012201110191. The next prime is 1012201110223. The reversal of 1012201110202 is 2020111022101.

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

It can be written as a sum of positive squares in only one way, i.e., 965838838441 + 46362271761 = 982771^2 + 215319^2 .

It is a super-2 number, since 2×1012201110202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253050277549 + ... + 253050277552.

Almost surely, 2^{1012201110202} is an apocalyptic number.

1012201110202 is a deficient number, since it is larger than the sum of its proper divisors (506100555104).

1012201110202 is an equidigital number, since it uses as much as digits as its factorization.

1012201110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506100555103.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012201110202 its reverse (2020111022101), we get a palindrome (3032312132303).

The spelling of 1012201110202 in words is "one trillion, twelve billion, two hundred one million, one hundred ten thousand, two hundred two".