101210001211201 has 16 divisors (see below), whose sum is σ = 102946941126400. Its totient is φ = 99479737260288.

The previous prime is 101210001211181. The next prime is 101210001211259. The reversal of 101210001211201 is 102112100012101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101210001211201 - 2¹⁹ = 101210000686913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101210001211801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893006905 + ... + 893120233.

It is an arithmetic number, because the mean of its divisors is an integer number (6434183820400).

Almost surely, 2^{101210001211201} is an apocalyptic number.

It is an amenable number.

101210001211201 is a deficient number, since it is larger than the sum of its proper divisors (1736939915199).

101210001211201 is a wasteful number, since it uses less digits than its factorization.

101210001211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142648.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101210001211201 its reverse (102112100012101), we get a palindrome (203322101223302).

The spelling of 101210001211201 in words is "one hundred one trillion, two hundred ten billion, one million, two hundred eleven thousand, two hundred one".