401202100202101 has 12 divisors (see below), whose sum is σ = 443696202912256. Its totient is φ = 362491579640520.

The previous prime is 401202100202089. The next prime is 401202100202119. The reversal of 401202100202101 is 101202001202104.

It is not a de Polignac number, because 401202100202101 - 2¹⁵ = 401202100169333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401202100202191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10170900021 + ... + 10170939466.

Almost surely, 2^{401202100202101} is an apocalyptic number.

It is an amenable number.

401202100202101 is a deficient number, since it is larger than the sum of its proper divisors (42494102710155).

401202100202101 is a wasteful number, since it uses less digits than its factorization.

401202100202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20341839672 (or 20341839661 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 401202100202101 its reverse (101202001202104), we get a palindrome (502404101404205).

The spelling of 401202100202101 in words is "four hundred one trillion, two hundred two billion, one hundred million, two hundred two thousand, one hundred one".