2011202121001 has 8 divisors (see below), whose sum is σ = 2012364615584. Its totient is φ = 2010039857280.

The previous prime is 2011202120999. The next prime is 2011202121011. The reversal of 2011202121001 is 1001212021102.

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 2011202121001 - 2¹ = 2011202120999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011202121011) 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, 19195366 + ... + 19299856.

It is an arithmetic number, because the mean of its divisors is an integer number (251545576948).

Almost surely, 2^{2011202121001} is an apocalyptic number.

It is an amenable number.

2011202121001 is a deficient number, since it is larger than the sum of its proper divisors (1162494583).

2011202121001 is a wasteful number, since it uses less digits than its factorization.

2011202121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115431.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011202121001 its reverse (1001212021102), we get a palindrome (3012414142103).

The spelling of 2011202121001 in words is "two trillion, eleven billion, two hundred two million, one hundred twenty-one thousand, one".