102001011211001 has 16 divisors (see below), whose sum is σ = 118931910696960. Its totient is φ = 85673607394320.

The previous prime is 102001011210941. The next prime is 102001011211007. The reversal of 102001011211001 is 100112110100201.

It is a cyclic number.

It is not a de Polignac number, because 102001011211001 - 2⁴² = 97602964699897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102001011211007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569245931 + ... + 569425088.

It is an arithmetic number, because the mean of its divisors is an integer number (7433244418560).

Almost surely, 2^{102001011211001} is an apocalyptic number.

It is an amenable number.

102001011211001 is a deficient number, since it is larger than the sum of its proper divisors (16930899485959).

102001011211001 is a wasteful number, since it uses less digits than its factorization.

102001011211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138671284.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102001011211001 its reverse (100112110100201), we get a palindrome (202113121311202).

The spelling of 102001011211001 in words is "one hundred two trillion, one billion, eleven million, two hundred eleven thousand, one".