101220120200010 has 64 divisors (see below), whose sum is σ = 277799277330432. Its totient is φ = 23122115171136.

The previous prime is 101220120200009. The next prime is 101220120200039. The reversal of 101220120200010 is 10002021022101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144569764 + ... + 145268223.

It is an arithmetic number, because the mean of its divisors is an integer number (4340613708288).

Almost surely, 2^{101220120200010} is an apocalyptic number.

101220120200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220120200010 is an abundant number, since it is smaller than the sum of its proper divisors (176579157130422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101220120200010 is a wasteful number, since it uses less digits than its factorization.

101220120200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289839667.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101220120200010 its reverse (10002021022101), we get a palindrome (111222141222111).

The spelling of 101220120200010 in words is "one hundred one trillion, two hundred twenty billion, one hundred twenty million, two hundred thousand, ten".