1011202102001 has 8 divisors (see below), whose sum is σ = 1244556433344. Its totient is φ = 800071992720.

The previous prime is 1011202101989. The next prime is 1011202102003. The reversal of 1011202102001 is 1002012021101.

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

It is not a de Polignac number, because 1011202102001 - 2³⁴ = 994022232817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011202102003) 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, 5556055415 + ... + 5556055596.

It is an arithmetic number, because the mean of its divisors is an integer number (155569554168).

Almost surely, 2^{1011202102001} is an apocalyptic number.

It is an amenable number.

1011202102001 is a deficient number, since it is larger than the sum of its proper divisors (233354331343).

1011202102001 is a wasteful number, since it uses less digits than its factorization.

1011202102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112111031.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011202102001 its reverse (1002012021101), we get a palindrome (2013214123102).

The spelling of 1011202102001 in words is "one trillion, eleven billion, two hundred two million, one hundred two thousand, one".