40101021011 has 8 divisors (see below), whose sum is σ = 41071598400. Its totient is φ = 39135333888.

The previous prime is 40101020989. The next prime is 40101021073. The reversal of 40101021011 is 11012010104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40101021011 is a prime.

It is a super-2 number, since 2×40101021011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40101020983 and 40101021001.

It is not an unprimeable number, because it can be changed into a prime (40101021811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205966 + ... + 1238771.

It is an arithmetic number, because the mean of its divisors is an integer number (5133949800).

Almost surely, 2^40101021011 is an apocalyptic number.

40101021011 is a deficient number, since it is larger than the sum of its proper divisors (970577389).

40101021011 is a wasteful number, since it uses less digits than its factorization.

40101021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445133.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 40101021011 its reverse (11012010104), we get a palindrome (51113031115).

The spelling of 40101021011 in words is "forty billion, one hundred one million, twenty-one thousand, eleven".