101201221010 has 32 divisors (see below), whose sum is σ = 187756268544. Its totient is φ = 39256056000.

The previous prime is 101201220943. The next prime is 101201221013. The reversal of 101201221010 is 10122102101.

It is a junction number, because it is equal to n+sod(n) for n = 101201220982 and 101201221000.

It is not an unprimeable number, because it can be changed into a prime (101201221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125026 + ... + 1211645.

It is an arithmetic number, because the mean of its divisors is an integer number (5867383392).

Almost surely, 2^101201221010 is an apocalyptic number.

101201221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101201221010 is a deficient number, since it is larger than the sum of its proper divisors (86555047534).

101201221010 is a wasteful number, since it uses less digits than its factorization.

101201221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336810.

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

Adding to 101201221010 its reverse (10122102101), we get a palindrome (111323323111).

The spelling of 101201221010 in words is "one hundred one billion, two hundred one million, two hundred twenty-one thousand, ten".