1211060101 has 8 divisors (see below), whose sum is σ = 1264979520. Its totient is φ = 1157246112.

The previous prime is 1211060099. The next prime is 1211060117. The reversal of 1211060101 is 1010601121.

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

It is a cyclic number.

It is not a de Polignac number, because 1211060101 - 2¹ = 1211060099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211060131) 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, 2400 + ... + 49273.

It is an arithmetic number, because the mean of its divisors is an integer number (158122440).

Almost surely, 2^1211060101 is an apocalyptic number.

It is an amenable number.

1211060101 is a deficient number, since it is larger than the sum of its proper divisors (53919419).

1211060101 is a wasteful number, since it uses less digits than its factorization.

1211060101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52715.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1211060101 is about 34800.2888062729. The cubic root of 1211060101 is about 1065.9133431734.

Adding to 1211060101 its reverse (1010601121), we get a palindrome (2221661222).

The spelling of 1211060101 in words is "one billion, two hundred eleven million, sixty thousand, one hundred one".