1020110001211 has 16 divisors (see below), whose sum is σ = 1176436283904. Its totient is φ = 866455470144.

The previous prime is 1020110001193. The next prime is 1020110001221. The reversal of 1020110001211 is 1121000110201.

It is a cyclic number.

It is not a de Polignac number, because 1020110001211 - 2⁹ = 1020110000699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020110001221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404775 + ... + 1484608.

It is an arithmetic number, because the mean of its divisors is an integer number (73527267744).

Almost surely, 2^{1020110001211} is an apocalyptic number.

1020110001211 is a deficient number, since it is larger than the sum of its proper divisors (156326282693).

1020110001211 is a wasteful number, since it uses less digits than its factorization.

1020110001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890090.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1020110001211 its reverse (1121000110201), we get a palindrome (2141110111412).

The spelling of 1020110001211 in words is "one trillion, twenty billion, one hundred ten million, one thousand, two hundred eleven".