1211102301001 has 4 divisors (see below), whose sum is σ = 1222860575872. Its totient is φ = 1199344026132.

The previous prime is 1211102300987. The next prime is 1211102301103. The reversal of 1211102301001 is 1001032011121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1211102301001 - 2¹⁷ = 1211102169929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211162301001) 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, 5879137281 + ... + 5879137486.

It is an arithmetic number, because the mean of its divisors is an integer number (305715143968).

Almost surely, 2^{1211102301001} is an apocalyptic number.

It is an amenable number.

1211102301001 is a deficient number, since it is larger than the sum of its proper divisors (11758274871).

1211102301001 is a wasteful number, since it uses less digits than its factorization.

1211102301001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11758274870.

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

Adding to 1211102301001 its reverse (1001032011121), we get a palindrome (2212134312122).

The spelling of 1211102301001 in words is "one trillion, two hundred eleven billion, one hundred two million, three hundred one thousand, one".