20211011101001 has 8 divisors (see below), whose sum is σ = 24102572244864. Its totient is φ = 16570518418080.

The previous prime is 20211011100983. The next prime is 20211011101009. The reversal of 20211011101001 is 10010111011202.

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 20211011101001 - 2⁶ = 20211011100937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211011101009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62767115060 + ... + 62767115381.

It is an arithmetic number, because the mean of its divisors is an integer number (3012821530608).

Almost surely, 2^{20211011101001} is an apocalyptic number.

It is an amenable number.

20211011101001 is a deficient number, since it is larger than the sum of its proper divisors (3891561143863).

20211011101001 is a wasteful number, since it uses less digits than its factorization.

20211011101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125534230471.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20211011101001 its reverse (10010111011202), we get a palindrome (30221122112203).

The spelling of 20211011101001 in words is "twenty trillion, two hundred eleven billion, eleven million, one hundred one thousand, one".