100121001102201 has 16 divisors (see below), whose sum is σ = 138099760824960. Its totient is φ = 64444848666240.

The previous prime is 100121001102193. The next prime is 100121001102203. The reversal of 100121001102201 is 102201100121001.

It is not a de Polignac number, because 100121001102201 - 2³ = 100121001102193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121001102203) 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, 975405 + ... + 14184266.

It is an arithmetic number, because the mean of its divisors is an integer number (8631235051560).

Almost surely, 2^{100121001102201} is an apocalyptic number.

It is an amenable number.

100121001102201 is a deficient number, since it is larger than the sum of its proper divisors (37978759722759).

100121001102201 is a wasteful number, since it uses less digits than its factorization.

100121001102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15235616.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100121001102201 its reverse (102201100121001), we get a palindrome (202322101223202).

It can be divided in two parts, 100121001 and 102201, that multiplied together give a palindrome (10232466423201).

The spelling of 100121001102201 in words is "one hundred trillion, one hundred twenty-one billion, one million, one hundred two thousand, two hundred one".