100001201021011 has 8 divisors (see below), whose sum is σ = 105273052724880. Its totient is φ = 94730212376928.

The previous prime is 100001201020991. The next prime is 100001201021153. The reversal of 100001201021011 is 110120102100001.

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

It is a cyclic number.

It is not a de Polignac number, because 100001201021011 - 2⁵ = 100001201020979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001201027011) 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, 215527096 + ... + 215990581.

It is an arithmetic number, because the mean of its divisors is an integer number (13159131590610).

Almost surely, 2^{100001201021011} is an apocalyptic number.

100001201021011 is a deficient number, since it is larger than the sum of its proper divisors (5271851703869).

100001201021011 is a wasteful number, since it uses less digits than its factorization.

100001201021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431529893.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100001201021011 its reverse (110120102100001), we get a palindrome (210121303121012).

The spelling of 100001201021011 in words is "one hundred trillion, one billion, two hundred one million, twenty-one thousand, eleven".