11111110202001 has 32 divisors (see below), whose sum is σ = 15165991314432. Its totient is φ = 7233161944320.

The previous prime is 11111110201993. The next prime is 11111110202069. The reversal of 11111110202001 is 10020201111111.

It is not a de Polignac number, because 11111110202001 - 2³ = 11111110201993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111110204001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142533631 + ... + 142611563.

It is an arithmetic number, because the mean of its divisors is an integer number (473937228576).

Almost surely, 2^{11111110202001} is an apocalyptic number.

It is an amenable number.

11111110202001 is a deficient number, since it is larger than the sum of its proper divisors (4054881112431).

11111110202001 is a wasteful number, since it uses less digits than its factorization.

11111110202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82233.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11111110202001 its reverse (10020201111111), we get a palindrome (21131311313112).

The spelling of 11111110202001 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, two hundred two thousand, one".