100021111001201 has 16 divisors (see below), whose sum is σ = 109414367779584. Its totient is φ = 90872925162624.

The previous prime is 100021111001131. The next prime is 100021111001213. The reversal of 100021111001201 is 102100111120001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021111001201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021111001261) 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, 47089481 + ... + 49167686.

It is an arithmetic number, because the mean of its divisors is an integer number (6838397986224).

Almost surely, 2^{100021111001201} is an apocalyptic number.

It is an amenable number.

100021111001201 is a deficient number, since it is larger than the sum of its proper divisors (9393256778383).

100021111001201 is a wasteful number, since it uses less digits than its factorization.

100021111001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96258440.

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

Adding to 100021111001201 its reverse (102100111120001), we get a palindrome (202121222121202).

The spelling of 100021111001201 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, one thousand, two hundred one".