10100202001221 has 8 divisors (see below), whose sum is σ = 13468327396480. Its totient is φ = 6732772303392.

The previous prime is 10100202001159. The next prime is 10100202001259. The reversal of 10100202001221 is 12210020200101.

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

It is not a de Polignac number, because 10100202001221 - 2¹⁷ = 10100201870149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100202001197 and 10100202001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100202001121) 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, 173890480 + ... + 173948553.

It is an arithmetic number, because the mean of its divisors is an integer number (1683540924560).

Almost surely, 2^{10100202001221} is an apocalyptic number.

It is an amenable number.

10100202001221 is a deficient number, since it is larger than the sum of its proper divisors (3368125395259).

10100202001221 is an equidigital number, since it uses as much as digits as its factorization.

10100202001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347848715.

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

Adding to 10100202001221 its reverse (12210020200101), we get a palindrome (22310222201322).

The spelling of 10100202001221 in words is "ten trillion, one hundred billion, two hundred two million, one thousand, two hundred twenty-one".