10010101221111 has 12 divisors (see below), whose sum is σ = 13680273180776. Its totient is φ = 6510634937280.

The previous prime is 10010101221103. The next prime is 10010101221119. The reversal of 10010101221111 is 11112210101001.

It is an interprime number because it is at equal distance from previous prime (10010101221103) and next prime (10010101221119).

It is not a de Polignac number, because 10010101221111 - 2³ = 10010101221103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010101221119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 992469796 + ... + 992479881.

Almost surely, 2^{10010101221111} is an apocalyptic number.

10010101221111 is a deficient number, since it is larger than the sum of its proper divisors (3670171959665).

10010101221111 is an equidigital number, since it uses as much as digits as its factorization.

10010101221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984949762 (or 1984949721 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10010101221111 its reverse (11112210101001), we get a palindrome (21122311322112).

The spelling of 10010101221111 in words is "ten trillion, ten billion, one hundred one million, two hundred twenty-one thousand, one hundred eleven".