100122111021201 has 16 divisors (see below), whose sum is σ = 137165277716544. Its totient is φ = 64915117740864.

The previous prime is 100122111021131. The next prime is 100122111021211. The reversal of 100122111021201 is 102120111221001.

It is a happy number.

It is not a de Polignac number, because 100122111021201 - 2¹¹ = 100122111019153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100122111021211) 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, 200821246 + ... + 201319191.

It is an arithmetic number, because the mean of its divisors is an integer number (8572829857284).

Almost surely, 2^{100122111021201} is an apocalyptic number.

It is an amenable number.

100122111021201 is a deficient number, since it is larger than the sum of its proper divisors (37043166695343).

100122111021201 is a wasteful number, since it uses less digits than its factorization.

100122111021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402142720.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100122111021201 its reverse (102120111221001), we get a palindrome (202242222242202).

The spelling of 100122111021201 in words is "one hundred trillion, one hundred twenty-two billion, one hundred eleven million, twenty-one thousand, two hundred one".