101020201221010 has 16 divisors (see below), whose sum is σ = 183504585706200. Its totient is φ = 40037364153216.

The previous prime is 101020201220971. The next prime is 101020201221013. The reversal of 101020201221010 is 10122102020101.

It can be written as a sum of positive squares in 4 ways, for example, as 81300500189041 + 19719701031969 = 9016679^2 + 4440687^2 .

It is not an unprimeable number, because it can be changed into a prime (101020201221013) 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, 46339540755 + ... + 46339542934.

Almost surely, 2^{101020201221010} is an apocalyptic number.

101020201221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101020201221010 is a deficient number, since it is larger than the sum of its proper divisors (82484384485190).

101020201221010 is a wasteful number, since it uses less digits than its factorization.

101020201221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92679083805.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101020201221010 its reverse (10122102020101), we get a palindrome (111142303241111).

The spelling of 101020201221010 in words is "one hundred one trillion, twenty billion, two hundred one million, two hundred twenty-one thousand, ten".