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201012211020222 = 2327372103137269307
BaseRepresentation
bin101101101101000111001101…
…011011101111000110111110
3222100201120122121020120201200
4231231013031123233012332
5202321341002010121342
61551303422424320330
760224436656113560
oct5555071533570676
9870646577216650
10201012211020222
115905988881a498
121a66561a9130a6
1388214a7334574
14378d085ad9330
151838bc785a94c
hexb6d1cd6ef1be

201012211020222 has 576 divisors, whose sum is σ = 523932812282880. Its totient is φ = 54550913329152.

The previous prime is 201012211020193. The next prime is 201012211020301. The reversal of 201012211020222 is 222020112210102.

It is a happy number.

201012211020222 is a `hidden beast` number, since 20 + 101 + 221 + 102 + 0 + 222 = 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 = 201012211020195 and 201012211020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 654762902193 + ... + 654762902499.

It is an arithmetic number, because the mean of its divisors is an integer number (909605576880).

Almost surely, 2201012211020222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201012211020222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261966406141440).

201012211020222 is an abundant number, since it is smaller than the sum of its proper divisors (322920601262658).

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

201012211020222 is a wasteful number, since it uses less digits than its factorization.

201012211020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 865 counting only the distinct ones).

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

Adding to 201012211020222 its reverse (222020112210102), we get a palindrome (423032323230324).

The spelling of 201012211020222 in words is "two hundred one trillion, twelve billion, two hundred eleven million, twenty thousand, two hundred twenty-two".