201001320123102 has 24 divisors (see below), whose sum is σ = 435503139702384. Its totient is φ = 67000397050944.

The previous prime is 201001320123101. The next prime is 201001320123133. The reversal of 201001320123102 is 201321023100102.

201001320123102 is a `hidden beast` number, since 20 + 1 + 0 + 0 + 1 + 320 + 12 + 310 + 2 = 666.

201001320123102 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001320123101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38803638 + ... + 43677510.

It is an arithmetic number, because the mean of its divisors is an integer number (18145964154266).

Almost surely, 2^{201001320123102} is an apocalyptic number.

201001320123102 is an abundant number, since it is smaller than the sum of its proper divisors (234501819579282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201001320123102 is a wasteful number, since it uses less digits than its factorization.

201001320123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165024 (or 7165021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201001320123102 its reverse (201321023100102), we get a palindrome (402322343223204).

The spelling of 201001320123102 in words is "two hundred one trillion, one billion, three hundred twenty million, one hundred twenty-three thousand, one hundred two".