101601203140 has 12 divisors (see below), whose sum is σ = 213362526636. Its totient is φ = 40640481248.

The previous prime is 101601203113. The next prime is 101601203147. The reversal of 101601203140 is 41302106101.

It can be written as a sum of positive squares in 2 ways, for example, as 53838849024 + 47762354116 = 232032^2 + 218546^2 .

It is not an unprimeable number, because it can be changed into a prime (101601203147) 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, 2540030059 + ... + 2540030098.

It is an arithmetic number, because the mean of its divisors is an integer number (17780210553).

Almost surely, 2^101601203140 is an apocalyptic number.

101601203140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101601203140 is an abundant number, since it is smaller than the sum of its proper divisors (111761323496).

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

101601203140 is a wasteful number, since it uses less digits than its factorization.

101601203140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080060166 (or 5080060164 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101601203140 its reverse (41302106101), we get a palindrome (142903309241).

The spelling of 101601203140 in words is "one hundred one billion, six hundred one million, two hundred three thousand, one hundred forty".