120101221010 has 32 divisors (see below), whose sum is σ = 217927722672. Its totient is φ = 47653632000.

The previous prime is 120101220983. The next prime is 120101221027. The reversal of 120101221010 is 10122101021.

It can be written as a sum of positive squares in 8 ways, for example, as 39668290561 + 80432930449 = 199169^2 + 283607^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120101220982 and 120101221000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866510 + ... + 995510.

Almost surely, 2^120101221010 is an apocalyptic number.

120101221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120101221010 is a deficient number, since it is larger than the sum of its proper divisors (97826501662).

120101221010 is a wasteful number, since it uses less digits than its factorization.

120101221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129758.

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

Adding to 120101221010 its reverse (10122101021), we get a palindrome (130223322031).

The spelling of 120101221010 in words is "one hundred twenty billion, one hundred one million, two hundred twenty-one thousand, ten".