20221002102011 has 4 divisors (see below), whose sum is σ = 21410472813912. Its totient is φ = 19031531390112.

The previous prime is 20221002101987. The next prime is 20221002102031. The reversal of 20221002102011 is 11020120012202.

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

It is a cyclic number.

It is not a de Polignac number, because 20221002102011 - 2¹⁸ = 20221001839867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221002102031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594735355925 + ... + 594735355958.

It is an arithmetic number, because the mean of its divisors is an integer number (5352618203478).

Almost surely, 2^{20221002102011} is an apocalyptic number.

20221002102011 is a deficient number, since it is larger than the sum of its proper divisors (1189470711901).

20221002102011 is a wasteful number, since it uses less digits than its factorization.

20221002102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189470711900.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221002102011 its reverse (11020120012202), we get a palindrome (31241122114213).

The spelling of 20221002102011 in words is "twenty trillion, two hundred twenty-one billion, two million, one hundred two thousand, eleven".