101121122211 has 8 divisors (see below), whose sum is σ = 138472167504. Its totient is φ = 65592079200.

The previous prime is 101121122209. The next prime is 101121122281. The reversal of 101121122211 is 112221121101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101121122211 - 2¹ = 101121122209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101121122281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455500440 + ... + 455500661.

It is an arithmetic number, because the mean of its divisors is an integer number (17309020938).

Almost surely, 2^101121122211 is an apocalyptic number.

101121122211 is a deficient number, since it is larger than the sum of its proper divisors (37351045293).

101121122211 is an equidigital number, since it uses as much as digits as its factorization.

101121122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911001141.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101121122211 its reverse (112221121101), we get a palindrome (213342243312).

The spelling of 101121122211 in words is "one hundred one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred eleven".