120201021021010 has 16 divisors (see below), whose sum is σ = 216368428196376. Its totient is φ = 48078943884288.

The previous prime is 120201021020989. The next prime is 120201021021013. The reversal of 120201021021010 is 10120120102021.

It can be written as a sum of positive squares in 4 ways, for example, as 113090654779281 + 7110366241729 = 10634409^2 + 2666527^2 .

It is a super-2 number, since 2×120201021021010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120201021021013) 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, 182720769 + ... + 183377428.

Almost surely, 2^{120201021021010} is an apocalyptic number.

120201021021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120201021021010 is a deficient number, since it is larger than the sum of its proper divisors (96167407175366).

120201021021010 is a wasteful number, since it uses less digits than its factorization.

120201021021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366131037.

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

Adding to 120201021021010 its reverse (10120120102021), we get a palindrome (130321141123031).

The spelling of 120201021021010 in words is "one hundred twenty trillion, two hundred one billion, twenty-one million, twenty-one thousand, ten".