101220100221010 has 32 divisors (see below), whose sum is σ = 182278279886400. Its totient is φ = 40469798967360.

The previous prime is 101220100220989. The next prime is 101220100221011. The reversal of 101220100221010 is 10122001022101.

It is not an unprimeable number, because it can be changed into a prime (101220100221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259624401 + ... + 260013979.

It is an arithmetic number, because the mean of its divisors is an integer number (5696196246450).

Almost surely, 2^{101220100221010} is an apocalyptic number.

101220100221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220100221010 is a deficient number, since it is larger than the sum of its proper divisors (81058179665390).

101220100221010 is a wasteful number, since it uses less digits than its factorization.

101220100221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401226.

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

Adding to 101220100221010 its reverse (10122001022101), we get a palindrome (111342101243111).

The spelling of 101220100221010 in words is "one hundred one trillion, two hundred twenty billion, one hundred million, two hundred twenty-one thousand, ten".