1201211000101 has 8 divisors (see below), whose sum is σ = 1420150936320. Its totient is φ = 994105655088.

The previous prime is 1201211000053. The next prime is 1201211000123. The reversal of 1201211000101 is 1010001121021.

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

It is not a de Polignac number, because 1201211000101 - 2⁷ = 1201210999973 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 (1201211000131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2958647581 + ... + 2958647986.

It is an arithmetic number, because the mean of its divisors is an integer number (177518867040).

Almost surely, 2^{1201211000101} is an apocalyptic number.

It is an amenable number.

1201211000101 is a deficient number, since it is larger than the sum of its proper divisors (218939936219).

1201211000101 is an equidigital number, since it uses as much as digits as its factorization.

1201211000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917295603.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1201211000101 its reverse (1010001121021), we get a palindrome (2211212121122).

The spelling of 1201211000101 in words is "one trillion, two hundred one billion, two hundred eleven million, one hundred one", and thus it is an aban number.