1020101101211 has 4 divisors (see below), whose sum is σ = 1020104809872. Its totient is φ = 1020097392552.

The previous prime is 1020101101199. The next prime is 1020101101223. The reversal of 1020101101211 is 1121011010201.

1020101101211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (1020101101199) and next prime (1020101101223).

It is a cyclic number.

It is not a de Polignac number, because 1020101101211 - 2³⁰ = 1019027359387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020101101192 and 1020101101201.

It is not an unprimeable number, because it can be changed into a prime (1020101101241) 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, 1405535 + ... + 2003928.

It is an arithmetic number, because the mean of its divisors is an integer number (255026202468).

Almost surely, 2^{1020101101211} is an apocalyptic number.

1020101101211 is a deficient number, since it is larger than the sum of its proper divisors (3708661).

1020101101211 is an equidigital number, since it uses as much as digits as its factorization.

1020101101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708660.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1020101101211 its reverse (1121011010201), we get a palindrome (2141112111412).

The spelling of 1020101101211 in words is "one trillion, twenty billion, one hundred one million, one hundred one thousand, two hundred eleven".