1011202211011 has 4 divisors (see below), whose sum is σ = 1046071252800. Its totient is φ = 976333169224.

The previous prime is 1011202211003. The next prime is 1011202211021. The reversal of 1011202211011 is 1101122021101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1011202211011 - 2³ = 1011202211003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011202210982 and 1011202211000.

It is not an unprimeable number, because it can be changed into a prime (1011202211021) 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, 17434520851 + ... + 17434520908.

It is an arithmetic number, because the mean of its divisors is an integer number (261517813200).

Almost surely, 2^{1011202211011} is an apocalyptic number.

1011202211011 is a deficient number, since it is larger than the sum of its proper divisors (34869041789).

1011202211011 is an equidigital number, since it uses as much as digits as its factorization.

1011202211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34869041788.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011202211011 its reverse (1101122021101), we get a palindrome (2112324232112).

The spelling of 1011202211011 in words is "one trillion, eleven billion, two hundred two million, two hundred eleven thousand, eleven".