101221011000002 has 4 divisors (see below), whose sum is σ = 151831516500006. Its totient is φ = 50610505500000.

The previous prime is 101221010999959. The next prime is 101221011000007. The reversal of 101221011000002 is 200000110122101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93284671243201 + 7936339756801 = 9658399^2 + 2817151^2 .

It is not an unprimeable number, because it can be changed into a prime (101221011000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305252749999 + ... + 25305252750002.

Almost surely, 2^{101221011000002} is an apocalyptic number.

101221011000002 is a deficient number, since it is larger than the sum of its proper divisors (50610505500004).

101221011000002 is an equidigital number, since it uses as much as digits as its factorization.

101221011000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50610505500003.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101221011000002 its reverse (200000110122101), we get a palindrome (301221121122103).

The spelling of 101221011000002 in words is "one hundred one trillion, two hundred twenty-one billion, eleven million, two", and thus it is an aban number.