201122020002120 has 128 divisors (see below), whose sum is σ = 692829274659840. Its totient is φ = 45752876547840.

The previous prime is 201122020002119. The next prime is 201122020002229. The reversal of 201122020002120 is 21200020221102.

It is a super-3 number, since 3×201122020002120³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201122020002120.

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, 567194742 + ... + 567549221.

It is an arithmetic number, because the mean of its divisors is an integer number (5412728708280).

Almost surely, 2^{201122020002120} is an apocalyptic number.

201122020002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122020002120 is an abundant number, since it is smaller than the sum of its proper divisors (491707254657720).

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

201122020002120 is a wasteful number, since it uses less digits than its factorization.

201122020002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134744195 (or 1134744191 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201122020002120 its reverse (21200020221102), we get a palindrome (222322040223222).

The spelling of 201122020002120 in words is "two hundred one trillion, one hundred twenty-two billion, twenty million, two thousand, one hundred twenty".