101220010 has 16 divisors (see below), whose sum is σ = 190118016. Its totient is φ = 38727568.

The previous prime is 101220001. The next prime is 101220013. The reversal of 101220010 is 10022101.

It is a junction number, because it is equal to n+sod(n) for n = 101219975 and 101220002.

It is not an unprimeable number, because it can be changed into a prime (101220013) 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 7 ways as a sum of consecutive naturals, for example, 219814 + ... + 220273.

It is an arithmetic number, because the mean of its divisors is an integer number (11882376).

Almost surely, 2^101220010 is an apocalyptic number.

101220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220010 is a deficient number, since it is larger than the sum of its proper divisors (88898006).

101220010 is a wasteful number, since it uses less digits than its factorization.

101220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440117.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 101220010 is about 10060.8155733022. The cubic root of 101220010 is about 466.0388536191.

Adding to 101220010 its reverse (10022101), we get a palindrome (111242111).

The spelling of 101220010 in words is "one hundred one million, two hundred twenty thousand, ten".