20211061001 has 8 divisors (see below), whose sum is σ = 20536027200. Its totient is φ = 19887214480.

The previous prime is 20211060959. The next prime is 20211061027. The reversal of 20211061001 is 10016011202.

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 20211061001 - 2⁶ = 20211060937 is a prime.

It is a super-2 number, since 2×20211061001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211061601) 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, 243491 + ... + 315768.

It is an arithmetic number, because the mean of its divisors is an integer number (2567003400).

Almost surely, 2^20211061001 is an apocalyptic number.

It is an amenable number.

20211061001 is a deficient number, since it is larger than the sum of its proper divisors (324966199).

20211061001 is an equidigital number, since it uses as much as digits as its factorization.

20211061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559839.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20211061001 its reverse (10016011202), we get a palindrome (30227072203).

The spelling of 20211061001 in words is "twenty billion, two hundred eleven million, sixty-one thousand, one".