101111001050540 has 48 divisors (see below), whose sum is σ = 228779788514592. Its totient is φ = 37314783184896.

The previous prime is 101111001050471. The next prime is 101111001050597. The reversal of 101111001050540 is 45050100111101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95878274 + ... + 96927113.

It is an arithmetic number, because the mean of its divisors is an integer number (4766245594054).

Almost surely, 2^{101111001050540} is an apocalyptic number.

101111001050540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111001050540 is an abundant number, since it is smaller than the sum of its proper divisors (127668787464052).

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

101111001050540 is a wasteful number, since it uses less digits than its factorization.

101111001050540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192807426 (or 192807424 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 20.

Adding to 101111001050540 its reverse (45050100111101), we get a palindrome (146161101161641).

The spelling of 101111001050540 in words is "one hundred one trillion, one hundred eleven billion, one million, fifty thousand, five hundred forty".