201010220102 has 4 divisors (see below), whose sum is σ = 301515330156. Its totient is φ = 100505110050.

The previous prime is 201010220093. The next prime is 201010220137. The reversal of 201010220102 is 201022010102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201022010102 = 2 ⋅100511005051.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50252555024 + ... + 50252555027.

It is an arithmetic number, because the mean of its divisors is an integer number (75378832539).

Almost surely, 2^201010220102 is an apocalyptic number.

201010220102 is a deficient number, since it is larger than the sum of its proper divisors (100505110054).

201010220102 is a wasteful number, since it uses less digits than its factorization.

201010220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100505110053.

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

Adding to 201010220102 its reverse (201022010102), we get a palindrome (402032230204).

It can be divided in two parts, 2010102 and 20102, that multiplied together give a palindrome (40407070404).

The spelling of 201010220102 in words is "two hundred one billion, ten million, two hundred twenty thousand, one hundred two".