1011201022211 has 4 divisors (see below), whose sum is σ = 1011212969472. Its totient is φ = 1011189074952.

The previous prime is 1011201022193. The next prime is 1011201022253. The reversal of 1011201022211 is 1122201021101.

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 1011201022211 - 2³⁰ = 1010127280387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011204022211) 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, 5845760 + ... + 6016253.

It is an arithmetic number, because the mean of its divisors is an integer number (252803242368).

Almost surely, 2^{1011201022211} is an apocalyptic number.

1011201022211 is a deficient number, since it is larger than the sum of its proper divisors (11947261).

1011201022211 is an equidigital number, since it uses as much as digits as its factorization.

1011201022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11947260.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011201022211 its reverse (1122201021101), we get a palindrome (2133402043312).

The spelling of 1011201022211 in words is "one trillion, eleven billion, two hundred one million, twenty-two thousand, two hundred eleven".