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2211011012200 = 235255631987247
BaseRepresentation
bin100000001011001010100…
…001101010011001101000
321211101000011021220121011
4200023022201222121220
5242211122304342300
64411420251153304
7315511625341324
oct40131241523150
97741004256534
102211011012200
11782759091471
122b8613145834
13130660b65383
14790290aa984
153c7a7e68eba
hex202ca86a668

2211011012200 has 48 divisors (see below), whose sum is σ = 5141527260480. Its totient is φ = 884244980160.

The previous prime is 2211011012153. The next prime is 2211011012201. The reversal of 2211011012200 is 22101101122.

It is not an unprimeable number, because it can be changed into a prime (2211011012201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118977 + ... + 2106223.

It is an arithmetic number, because the mean of its divisors is an integer number (107115151260).

Almost surely, 22211011012200 is an apocalyptic number.

2211011012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211011012200 is an abundant number, since it is smaller than the sum of its proper divisors (2930516248280).

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

2211011012200 is a wasteful number, since it uses less digits than its factorization.

2211011012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992826 (or 1992817 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2211011012200 its reverse (22101101122), we get a palindrome (2233112113322).

The spelling of 2211011012200 in words is "two trillion, two hundred eleven billion, eleven million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 5563 11126 22252 27815 44504 55630 111260 139075 222520 278150 556300 1112600 1987247 3974494 7948988 9936235 15897976 19872470 39744940 49681175 79489880 99362350 198724700 397449400 11055055061 22110110122 44220220244 55275275305 88440440488 110550550610 221101101220 276376376525 442202202440 552752753050 1105505506100 2211011012200