101220010101200 has 120 divisors (see below), whose sum is σ = 254302240305408. Its totient is φ = 38644009367040.

The previous prime is 101220010101193. The next prime is 101220010101209. The reversal of 101220010101200 is 2101010022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220010101209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7621799 + ... + 16140998.

Almost surely, 2^{101220010101200} is an apocalyptic number.

101220010101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220010101200 is an abundant number, since it is smaller than the sum of its proper divisors (153082230204208).

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

101220010101200 is a wasteful number, since it uses less digits than its factorization.

101220010101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23763301 (or 23763290 counting only the distinct ones).

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

Adding to 101220010101200 its reverse (2101010022101), we get a palindrome (103321020123301).

The spelling of 101220010101200 in words is "one hundred one trillion, two hundred twenty billion, ten million, one hundred one thousand, two hundred".