4001101211201 has 4 divisors (see below), whose sum is σ = 4109239081812. Its totient is φ = 3892963340592.

The previous prime is 4001101211161. The next prime is 4001101211251. The reversal of 4001101211201 is 1021121011004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1928768217601 + 2072332993600 = 1388801^2 + 1439560^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001101211201 - 2⁶ = 4001101211137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001101211251) 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, 54068935250 + ... + 54068935323.

It is an arithmetic number, because the mean of its divisors is an integer number (1027309770453).

Almost surely, 2^{4001101211201} is an apocalyptic number.

It is an amenable number.

4001101211201 is a deficient number, since it is larger than the sum of its proper divisors (108137870611).

4001101211201 is a wasteful number, since it uses less digits than its factorization.

4001101211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108137870610.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 4001101211201 its reverse (1021121011004), we get a palindrome (5022222222205).

The spelling of 4001101211201 in words is "four trillion, one billion, one hundred one million, two hundred eleven thousand, two hundred one".