201202211012220 has 144 divisors (see below), whose sum is σ = 687273711022080. Its totient is φ = 47202864739200.

The previous prime is 201202211012191. The next prime is 201202211012239. The reversal of 201202211012220 is 22210112202102.

It is a happy number.

201202211012220 is a `hidden beast` number, since 2 + 0 + 120 + 221 + 101 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201202211012193 and 201202211012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1638926980 + ... + 1639049739.

It is an arithmetic number, because the mean of its divisors is an integer number (4772734104320).

Almost surely, 2^{201202211012220} is an apocalyptic number.

201202211012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202211012220 is an abundant number, since it is smaller than the sum of its proper divisors (486071500009860).

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

201202211012220 is a wasteful number, since it uses less digits than its factorization.

201202211012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277976776 (or 3277976771 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201202211012220 its reverse (22210112202102), we get a palindrome (223412323214322).

The spelling of 201202211012220 in words is "two hundred one trillion, two hundred two billion, two hundred eleven million, twelve thousand, two hundred twenty".