201020021011102 has 8 divisors (see below), whose sum is σ = 302846756545800. Its totient is φ = 100071102162504.

The previous prime is 201020021011057. The next prime is 201020021011109. The reversal of 201020021011102 is 201110120020102.

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 (201020021011109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219454170952 + ... + 219454171867.

It is an arithmetic number, because the mean of its divisors is an integer number (37855844568225).

Almost surely, 2^{201020021011102} is an apocalyptic number.

201020021011102 is a deficient number, since it is larger than the sum of its proper divisors (101826735534698).

201020021011102 is a wasteful number, since it uses less digits than its factorization.

201020021011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438908343050.

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

Adding to 201020021011102 its reverse (201110120020102), we get a palindrome (402130141031204).

The spelling of 201020021011102 in words is "two hundred one trillion, twenty billion, twenty-one million, eleven thousand, one hundred two".