20211001001102 has 4 divisors (see below), whose sum is σ = 30316501501656. Its totient is φ = 10105500500550.

The previous prime is 20211001001083. The next prime is 20211001001153. The reversal of 20211001001102 is 20110010011202.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20211001001102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5052750250274 + ... + 5052750250277.

It is an arithmetic number, because the mean of its divisors is an integer number (7579125375414).

Almost surely, 2^{20211001001102} is an apocalyptic number.

20211001001102 is a deficient number, since it is larger than the sum of its proper divisors (10105500500554).

20211001001102 is a wasteful number, since it uses less digits than its factorization.

20211001001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105500500553.

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

Adding to 20211001001102 its reverse (20110010011202), we get a palindrome (40321011012304).

The spelling of 20211001001102 in words is "twenty trillion, two hundred eleven billion, one million, one thousand, one hundred two".