2010021221101 has 2 divisors, whose sum is σ = 2010021221102. Its totient is φ = 2010021221100.

The previous prime is 2010021221063. The next prime is 2010021221137. The reversal of 2010021221101 is 1011221200102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2005412847876 + 4608373225 = 1416126^2 + 67885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010021221101 - 2⁷ = 2010021220973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010021221501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005010610550 + 1005010610551.

It is an arithmetic number, because the mean of its divisors is an integer number (1005010610551).

Almost surely, 2^{2010021221101} is an apocalyptic number.

It is an amenable number.

2010021221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010021221101 is an equidigital number, since it uses as much as digits as its factorization.

2010021221101 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2010021221101 its reverse (1011221200102), we get a palindrome (3021242421203).

The spelling of 2010021221101 in words is "two trillion, ten billion, twenty-one million, two hundred twenty-one thousand, one hundred one".