20101010022211 has 4 divisors (see below), whose sum is σ = 20101022128432. Its totient is φ = 20100997915992.

The previous prime is 20101010022161. The next prime is 20101010022277. The reversal of 20101010022211 is 11222001010102.

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 20101010022211 - 2¹⁷ = 20101009891139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101010022191 and 20101010022200.

It is not an unprimeable number, because it can be changed into a prime (20101010022011) 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, 3073695 + ... + 7046248.

It is an arithmetic number, because the mean of its divisors is an integer number (5025255532108).

Almost surely, 2^{20101010022211} is an apocalyptic number.

20101010022211 is a deficient number, since it is larger than the sum of its proper divisors (12106221).

20101010022211 is a wasteful number, since it uses less digits than its factorization.

20101010022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12106220.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101010022211 its reverse (11222001010102), we get a palindrome (31323011032313).

The spelling of 20101010022211 in words is "twenty trillion, one hundred one billion, ten million, twenty-two thousand, two hundred eleven".