100121020101201 has 32 divisors (see below), whose sum is σ = 155496346739712. Its totient is φ = 56691376378560.

The previous prime is 100121020101163. The next prime is 100121020101281. The reversal of 100121020101201 is 102101020121001.

It is not a de Polignac number, because 100121020101201 - 2⁷ = 100121020101073 is a prime.

It is a super-2 number, since 2×100121020101201² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100121020101281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533824950 + ... + 1533890223.

It is an arithmetic number, because the mean of its divisors is an integer number (4859260835616).

Almost surely, 2^{100121020101201} is an apocalyptic number.

100121020101201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100121020101201 is a deficient number, since it is larger than the sum of its proper divisors (55375326638511).

100121020101201 is a wasteful number, since it uses less digits than its factorization.

100121020101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067715253.

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

Adding to 100121020101201 its reverse (102101020121001), we get a palindrome (202222040222202).

The spelling of 100121020101201 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, two hundred one".