10121201200220 has 48 divisors (see below), whose sum is σ = 23238392940000. Its totient is φ = 3672239800320.

The previous prime is 10121201200169. The next prime is 10121201200259. The reversal of 10121201200220 is 2200210212101.

It is a junction number, because it is equal to n+sod(n) for n = 10121201200195 and 10121201200204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51132245 + ... + 51329804.

It is an arithmetic number, because the mean of its divisors is an integer number (484133186250).

Almost surely, 2^{10121201200220} is an apocalyptic number.

10121201200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121201200220 is an abundant number, since it is smaller than the sum of its proper divisors (13117191739780).

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

10121201200220 is a wasteful number, since it uses less digits than its factorization.

10121201200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102462518 (or 102462516 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10121201200220 its reverse (2200210212101), we get a palindrome (12321411412321).

The spelling of 10121201200220 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, two hundred thousand, two hundred twenty".