1211100101007 has 8 divisors (see below), whose sum is σ = 1616272153776. Its totient is φ = 806664057792.

The previous prime is 1211100100993. The next prime is 1211100101027. The reversal of 1211100101007 is 7001010011121.

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

It is not a de Polignac number, because 1211100101007 - 2⁸ = 1211100100751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211100101027) 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, 183998548 + ... + 184005129.

It is an arithmetic number, because the mean of its divisors is an integer number (202034019222).

Almost surely, 2^{1211100101007} is an apocalyptic number.

1211100101007 is a deficient number, since it is larger than the sum of its proper divisors (405172052769).

1211100101007 is a wasteful number, since it uses less digits than its factorization.

1211100101007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368004777.

The product of its (nonzero) digits is 14, while the sum is 15.

Adding to 1211100101007 its reverse (7001010011121), we get a palindrome (8212110112128).

The spelling of 1211100101007 in words is "one trillion, two hundred eleven billion, one hundred million, one hundred one thousand, seven".