3911220201101 has 4 divisors (see below), whose sum is σ = 4006615815804. Its totient is φ = 3815824586400.

The previous prime is 3911220201017. The next prime is 3911220201149. The reversal of 3911220201101 is 1011020221193.

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 206230423876 + 3704989777225 = 454126^2 + 1924835^2 .

It is a cyclic number.

It is not a de Polignac number, because 3911220201101 - 2²⁶ = 3911153092237 is a prime.

It is a super-2 number, since 2×3911220201101² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3911220201901) 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, 47697807290 + ... + 47697807371.

It is an arithmetic number, because the mean of its divisors is an integer number (1001653953951).

Almost surely, 2^{3911220201101} is an apocalyptic number.

It is an amenable number.

3911220201101 is a deficient number, since it is larger than the sum of its proper divisors (95395614703).

3911220201101 is an equidigital number, since it uses as much as digits as its factorization.

3911220201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95395614702.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 3911220201101 its reverse (1011020221193), we get a palindrome (4922240422294).

The spelling of 3911220201101 in words is "three trillion, nine hundred eleven billion, two hundred twenty million, two hundred one thousand, one hundred one".