201040442102 has 16 divisors (see below), whose sum is σ = 311978498400. Its totient is φ = 97048035840.

The previous prime is 201040442093. The next prime is 201040442129. The reversal of 201040442102 is 201244040102.

It is a super-2 number, since 2×201040442102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930527 + ... + 1126037.

It is an arithmetic number, because the mean of its divisors is an integer number (19498656150).

Almost surely, 2^201040442102 is an apocalyptic number.

201040442102 is a deficient number, since it is larger than the sum of its proper divisors (110938056298).

201040442102 is a wasteful number, since it uses less digits than its factorization.

201040442102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213271.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 201040442102 its reverse (201244040102), we get a palindrome (402284482204).

The spelling of 201040442102 in words is "two hundred one billion, forty million, four hundred forty-two thousand, one hundred two".