201021022102 has 8 divisors (see below), whose sum is σ = 319268682216. Its totient is φ = 94598128032.

The previous prime is 201021022093. The next prime is 201021022109. The reversal of 201021022102 is 201220120102.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021022109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2956191468 + ... + 2956191535.

It is an arithmetic number, because the mean of its divisors is an integer number (39908585277).

Almost surely, 2^201021022102 is an apocalyptic number.

201021022102 is a deficient number, since it is larger than the sum of its proper divisors (118247660114).

201021022102 is a wasteful number, since it uses less digits than its factorization.

201021022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912383022.

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

Adding to 201021022102 its reverse (201220120102), we get a palindrome (402241142204).

The spelling of 201021022102 in words is "two hundred one billion, twenty-one million, twenty-two thousand, one hundred two".