20211011000001 has 40 divisors (see below), whose sum is σ = 30488093585664. Its totient is φ = 13341785607360.

The previous prime is 20211010999951. The next prime is 20211011000009. The reversal of 20211011000001 is 10000011011202.

It is a happy number.

It is not a de Polignac number, because 20211011000001 - 2⁹ = 20211010999489 is a prime.

It is a super-2 number, since 2×20211011000001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20211011000009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82231045 + ... + 82476461.

Almost surely, 2^{20211011000001} is an apocalyptic number.

It is an amenable number.

20211011000001 is a deficient number, since it is larger than the sum of its proper divisors (10277082585663).

20211011000001 is a wasteful number, since it uses less digits than its factorization.

20211011000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255403 (or 255394 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20211011000001 its reverse (10000011011202), we get a palindrome (30211022011203).

The spelling of 20211011000001 in words is "twenty trillion, two hundred eleven billion, eleven million, one", and thus it is an aban number.