402101212101 has 8 divisors (see below), whose sum is σ = 536140612224. Its totient is φ = 268064643360.

The previous prime is 402101212081. The next prime is 402101212147. The reversal of 402101212101 is 101212101204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-402101212101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402101212151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350736 + ... + 962921.

It is an arithmetic number, because the mean of its divisors is an integer number (67017576528).

Almost surely, 2^402101212101 is an apocalyptic number.

It is an amenable number.

402101212101 is a deficient number, since it is larger than the sum of its proper divisors (134039400123).

402101212101 is a wasteful number, since it uses less digits than its factorization.

402101212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415691.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 402101212101 its reverse (101212101204), we get a palindrome (503313313305).

The spelling of 402101212101 in words is "four hundred two billion, one hundred one million, two hundred twelve thousand, one hundred one".