40201211021201 has 4 divisors (see below), whose sum is σ = 40201426028400. Its totient is φ = 40200996014004.

The previous prime is 40201211021197. The next prime is 40201211021243. The reversal of 40201211021201 is 10212011210204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40201211021201 - 2² = 40201211021197 is a prime.

It is a super-2 number, since 2×40201211021201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40201211021201.

It is not an unprimeable number, because it can be changed into a prime (40201211021291) 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, 107222891 + ... + 107597168.

It is an arithmetic number, because the mean of its divisors is an integer number (10050356507100).

Almost surely, 2^{40201211021201} is an apocalyptic number.

It is an amenable number.

40201211021201 is a deficient number, since it is larger than the sum of its proper divisors (215007199).

40201211021201 is a wasteful number, since it uses less digits than its factorization.

40201211021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215007198.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 40201211021201 its reverse (10212011210204), we get a palindrome (50413222231405).

The spelling of 40201211021201 in words is "forty trillion, two hundred one billion, two hundred eleven million, twenty-one thousand, two hundred one".