201020112121102 has 8 divisors (see below), whose sum is σ = 311256947800512. Its totient is φ = 97267796187600.

The previous prime is 201020112121079. The next prime is 201020112121111. The reversal of 201020112121102 is 201121211020102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621129936399 + ... + 1621129936522.

It is an arithmetic number, because the mean of its divisors is an integer number (38907118475064).

Almost surely, 2^{201020112121102} is an apocalyptic number.

201020112121102 is a deficient number, since it is larger than the sum of its proper divisors (110236835679410).

201020112121102 is a wasteful number, since it uses less digits than its factorization.

201020112121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242259872954.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201020112121102 its reverse (201121211020102), we get a palindrome (402141323141204).

The spelling of 201020112121102 in words is "two hundred one trillion, twenty billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".