200101401021 has 4 divisors (see below), whose sum is σ = 266801868032. Its totient is φ = 133400934012.

The previous prime is 200101401013. The next prime is 200101401023. The reversal of 200101401021 is 120104101002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 200101401021 - 2³ = 200101401013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101400988 and 200101401006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101401023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33350233501 + ... + 33350233506.

It is an arithmetic number, because the mean of its divisors is an integer number (66700467008).

Almost surely, 2^200101401021 is an apocalyptic number.

It is an amenable number.

200101401021 is a deficient number, since it is larger than the sum of its proper divisors (66700467011).

200101401021 is an equidigital number, since it uses as much as digits as its factorization.

200101401021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66700467010.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200101401021 its reverse (120104101002), we get a palindrome (320205502023).

The spelling of 200101401021 in words is "two hundred billion, one hundred one million, four hundred one thousand, twenty-one".