100201021020202 has 4 divisors (see below), whose sum is σ = 150301531530306. Its totient is φ = 50100510510100.

The previous prime is 100201021020179. The next prime is 100201021020203. The reversal of 100201021020202 is 202020120102001.

It is a happy number.

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., 98628753302401 + 1572267717801 = 9931201^2 + 1253901^2 .

It is a super-2 number, since 2×100201021020202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100201021020203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25050255255049 + ... + 25050255255052.

Almost surely, 2^{100201021020202} is an apocalyptic number.

100201021020202 is a deficient number, since it is larger than the sum of its proper divisors (50100510510104).

100201021020202 is an equidigital number, since it uses as much as digits as its factorization.

100201021020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50100510510103.

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

Adding to 100201021020202 its reverse (202020120102001), we get a palindrome (302221141122203).

The spelling of 100201021020202 in words is "one hundred trillion, two hundred one billion, twenty-one million, twenty thousand, two hundred two".