20102211220101 has 16 divisors (see below), whose sum is σ = 26899887594240. Its totient is φ = 13353010012160.

The previous prime is 20102211220087. The next prime is 20102211220121. The reversal of 20102211220101 is 10102211220102.

It is a cyclic number.

It is not a de Polignac number, because 20102211220101 - 2⁷ = 20102211219973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102211220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14087941 + ... + 15449093.

It is an arithmetic number, because the mean of its divisors is an integer number (1681242974640).

Almost surely, 2^{20102211220101} is an apocalyptic number.

It is an amenable number.

20102211220101 is a deficient number, since it is larger than the sum of its proper divisors (6797676374139).

20102211220101 is a wasteful number, since it uses less digits than its factorization.

20102211220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378956.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102211220101 its reverse (10102211220102), we get a palindrome (30204422440203).

Subtracting from 20102211220101 its reverse (10102211220102), we obtain a palindrome (9999999999999).

The spelling of 20102211220101 in words is "twenty trillion, one hundred two billion, two hundred eleven million, two hundred twenty thousand, one hundred one".